13 Best Halloween Costumes for Medium Dogs in 2027

For most medium dogs, I’d start with the GOYOSWA Deadly Doll Halloween Costume for a recognizable look, then compare the simpler OLANRUN Bat Wings and the NACOCO Pirate Costume for different levels of coverage and character detail. The main tradeoff is between a more elaborate outfit that makes a bigger visual statement and a lighter piece that may be easier for a dog to wear. Fit needs extra care: labels such as medium and large vary, and several costumes add capes, hats, wings, or rider pieces that can shift during movement. I compared the 13 options by intended size, wearing complexity, design, and practical limitations. Read on for the full breakdown and help matching a costume to your dog’s build and tolerance.

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Key Takeaways

• Elaborate character costumes offer more visual impact: the Deadly Doll, Cowboy Rider, and Pirate designs make a stronger themed statement than the simpler Bat Wings or Vampire Cape.
• Fit labels are not interchangeable: this list includes medium-labeled costumes alongside large and small-dog listings, so measure your dog instead of relying on the size name.
• Wear complexity varies widely: capes and wings are simpler in concept than multi-piece character outfits with hats, crowns, or rider elements.
• There are two Cowboy Rider options: compare the GOYOSWA and PAYHTOW versions by fit information and outfit details rather than assuming their similar themes mean identical construction.
• Licensed looks serve a different priority: Wonder Woman and Superman costumes suit buyers who want familiar comic characters, while the witch, bat, clown, and animal-themed outfits offer distinct Halloween styling.

Our Top Halloween Costumes For Medium Dogs Picks

GOYOSWA Deadly Doll Halloween Costume for Dogs, Medium		Best for a Complete Themed Look	Brand: GOYOSWA	Included items: Dog outfit, brown wig, knife prop	Material: Cotton and polyester	VIEW LATEST PRICE	See Our Full Breakdown
GOYOSWA Dog Cowboy Rider Costume, Medium		Best for a Funny Moving Look	Brand: GOYOSWA	Pet type: Dog	Size: Medium	VIEW LATEST PRICE	See Our Full Breakdown
NACOCO Pirate Costume for Dogs, Medium		Best for Clearly Listed Fit Measurements	Size: Medium	Recommended weight: 10–13 lb	Neck girth: 13.5 inches	VIEW LATEST PRICE	See Our Full Breakdown
DC Comics Wonder Woman Pet Costume for Dogs or Cats, Medium		Best for a Recognizable Licensed Character	Brand: Rubies	Character: Wonder Woman	Included components: Dress and tiara	VIEW LATEST PRICE	See Our Full Breakdown
Rubies Walking Teddy Bear Pet Costume, Medium		Best for a Cozy Animal Character	Size: Medium	Recommended pet weight: 11–20 pounds	Neck size: 14.5 inches	VIEW LATEST PRICE	See Our Full Breakdown
GOYOSWA Dog Vampire Halloween Cape Costume, Large		Best for Broad Neck Fit	Brand: GOYOSWA	Size: Large	Neck size: 14–25 inches	VIEW LATEST PRICE	See Our Full Breakdown
PAYHTOW Dog Cowboy Rider Halloween Costume, Medium		Best for Playful Photos	Brand: PAYHTOW	Size: Medium	Neck circumference: 11–15 inches	VIEW LATEST PRICE	See Our Full Breakdown
OLANRUN Dog Bat Wings Halloween Costume with Pumpkin Bell, Medium		Best Lightweight Theme	Brand: OLANRUN	Size: Medium	Material: 100% felt	VIEW LATEST PRICE	See Our Full Breakdown
Vehomy Purple Halloween Dog Witch Cape and Hat Costume, Medium		Best Two-Piece Costume	Brand: Vehomy	Included items: Cape and witch hat	Size: Medium	VIEW LATEST PRICE	See Our Full Breakdown
Fitwarm Halloween Clown Costume for Small Dogs, Yellow, Medium		Best for Easy Cleanup	Brand: Fitwarm	Size: Medium	Back length: 12 inches	VIEW LATEST PRICE	See Our Full Breakdown
PAYHTOW Dog King Costume with Cloak and Crown, Large		Best for a Regal Photo Look	Brand: PAYHTOW	Pet type: Dog	Size: Large	VIEW LATEST PRICE	See Our Full Breakdown
Pet Deadly Doll Costume for Dogs and Cats		Best for a Themed Halloween Character	Brand: CAISANG	Pet types: Dogs and cats	Breed sizes: Small, medium, and large	VIEW LATEST PRICE	See Our Full Breakdown
Rubies DC Comics Superman Pet Costume, Medium		Best Lightweight Superhero Pick	Brand: Rubies	Character: Superman	Size: Medium	VIEW LATEST PRICE	See Our Full Breakdown

More Details on Our Top Picks

1. GOYOSWA Deadly Doll Halloween Costume for Dogs, Medium

   

   Best for a Complete Themed Look

   View Latest Price

   For a medium dog costume that reads as a full character rather than a single accessory, the GOYOSWA Deadly Doll pairs an outfit with a brown wig and separate knife prop. Its padded arms sway while the dog walks, adding movement that the more straightforward Wonder Woman dress from Rubies does not aim for. Adjustable neck and chest ties offer some flexibility, though the listed 22-inch chest measurement still makes measuring important before ordering. Cotton and polyester give the outfit a soft-fabric feel, but this is a hand-wash-only pick and the wig and prop mean extra pieces to manage. I’d choose it for a short Halloween appearance or photos, not for a dog that dislikes added accessories or needs a quick, simple costume.

   Pros:

   • Includes a themed outfit, brown wig, and knife prop for a more complete character look.
   • Adjustable neck and chest ties allow some fit adjustment.
   • Cotton and polyester construction is described as soft.
   • Padded arms add movement as the dog walks.

   Cons:

   • Hand washing takes more care than a low-maintenance costume.
   • The wig and knife prop are separate accessories that may need adjustment or supervision.
   • A 22-inch chest measurement may not suit every dog described as medium.

   Best for: Owners of medium dogs who want a recognizable, accessory-rich costume for a supervised Halloween event or photo session.

   Not ideal for: Dogs that resist headwear or loose accessories, and owners looking for a machine-washable outfit with minimal setup.

   • Brand:GOYOSWA
   • Included items:Dog outfit, brown wig, knife prop
   • Material:Cotton and polyester
   • Available sizes:5 sizes
   • Chest size:22 inches
   • Care:Hand wash only
   • Water resistance:Not water resistant
   • Target species:Dog
   Our verdict

   “Choose this for a medium dog that tolerates accessories and needs a full, animated character look; skip it for a simple, easy-care outfit.”

   → See it on Amazon →

2. GOYOSWA Dog Cowboy Rider Costume, Medium

   

   Best for a Funny Moving Look

   View Latest Price

   The GOYOSWA Dog Cowboy Rider is the playful motion pick: a rider doll sits on an attached saddle, creating a comic effect as the dog runs. That moving feature sets it apart from the NACOCO Pirate Costume, which relies on clothing and a hat for its theme rather than a visual gag in motion. The cotton-polyester fabric is described as soft and breathable, and adjustable Velcro straps make fitting less fixed than a drawstring design. Still, measuring both neck and chest matters, and the costume is hand-wash only. The rider-and-saddle construction may also feel more involved than a simple dress or cape, so I’d reserve it for dogs comfortable wearing a costume during supervised outings and photos.

   Pros:

   • Attached rider doll creates a distinctive moving effect as the dog runs.
   • Soft cotton and polyester fabric is described as breathable.
   • Adjustable Velcro straps help tailor the fit.
   • Available in five sizes.

   Cons:

   • Neck and chest measurements are needed to select a suitable size.
   • Hand-wash-only care adds cleanup work.
   • The attached rider and saddle may be too much costume for dogs that prefer lightweight outfits.

   Best for: Owners of medium dogs who want a comic costume that creates a moving rider effect for parties, photos, or a supervised Halloween walk.

   Not ideal for: Dogs that are unsettled by attached costume pieces, or owners who want a simple garment that is easy to clean.

   • Brand:GOYOSWA
   • Pet type:Dog
   • Size:Medium
   • Material:Cotton and polyester
   • Closure:Velcro
   • Features:Adjustable, breathable
   • Care:Hand wash only
   • Color:Brown
   • Items included:1 costume
   Our verdict

   “Pick this for a dog comfortable wearing a novelty costume and an owner who values a moving visual gag over a simple themed outfit.”

   → See it on Amazon →

3. NACOCO Pirate Costume for Dogs, Medium

   

   Best for Clearly Listed Fit Measurements

   View Latest Price

   The NACOCO Pirate Costume is the measurement-led choice in this group: its medium listing gives a 10–13 lb recommended weight, 13.5-inch neck, and 18.5-inch chest. Those figures give buyers more specific starting points than the GOYOSWA Cowboy Rider listing, which asks owners to measure but does not provide matching numerical dimensions here. The set includes clothing and a hat, making the pirate theme easy to recognize, while the drawstring closure offers some adjustment. Its 3.2-ounce weight is a useful detail for owners wary of heavier costumes, though fit still depends on the dog’s shape and the listing measurements can vary. Like several picks here, it needs hand washing and is not water resistant, so it suits dry, brief wear rather than messy outdoor use.

   Pros:

   • Includes both pirate clothing and a hat for a coordinated theme.
   • Lists neck, chest, and recommended weight measurements to guide sizing.
   • Drawstring closure allows some adjustment.
   • At 3.2 ounces, the listed item weight is lightweight.

   Cons:

   • The listing’s sizing details may vary, so measurements do not remove fit uncertainty.
   • Hand washing is required.
   • Not water resistant, limiting suitability for wet-weather wear.

   Best for: Owners of smaller-framed medium dogs who want a pirate look and prefer a listing with stated neck, chest, and weight guidance.

   Not ideal for: Dogs outside the listed 10–13 lb range, or owners who need water resistance or machine-washable care.

   • Size:Medium
   • Recommended weight:10–13 lb
   • Neck girth:13.5 inches
   • Chest girth:18.5 inches
   • Material:Polyester
   • Items included:Clothing and hat
   • Care:Hand wash only
   • Item weight:3.2 oz
   • Closure:Drawstring
   Our verdict

   “Choose this pirate set when your dog’s measurements align closely with its listed size guidance and a lightweight themed outfit matters more than easy care.”

   → See it on Amazon →

4. DC Comics Wonder Woman Pet Costume for Dogs or Cats, Medium

   

   Best for a Recognizable Licensed Character

   View Latest Price

   For shoppers who want an instantly recognizable character instead of a novelty gag, the Rubies Wonder Woman costume pairs a red-and-blue dress with a gold tiara in an officially licensed design. It is a simpler character outfit than the GOYOSWA Deadly Doll, which adds a wig and separate prop, and that can mean fewer loose pieces to manage. The listed 11–20 lb range and 14.5-inch neck size offer useful starting points, but the 15-inch chest figure and warning that costumes may run small make careful chart-checking important. Lightweight, breathable materials may suit short indoor events, though the dress-and-tiara format still depends on your pet tolerating both pieces. This is a better fit for photos and parties than rough outdoor play.

   Pros:

   • Officially licensed DC Comics Wonder Woman design.
   • Includes both a dress and gold tiara.
   • Made for dogs or cats.
   • Lightweight, breathable materials are suited to short costume occasions.

   Cons:

   • The costume may run smaller than regular apparel, so the size chart needs close checking.
   • Fit can vary between pets despite the medium label.
   • The dress and tiara may not suit pets that resist clothing or headwear.

   Best for: Owners of medium-sized dogs or cats who want a licensed Wonder Woman look for photos, parties, or brief Halloween wear.

   Not ideal for: Dogs whose measurements fall near or above the listed dimensions, or pets that dislike dresses or head accessories.

   • Brand:Rubies
   • Character:Wonder Woman
   • Included components:Dress and tiara
   • Size:Medium
   • Recommended pet weight:11–20 lb
   • Neck size:14.5 inches
   • Chest size:15 inches
   • Item weight:0.1 kg
   • Material:Lightweight, breathable materials
   Our verdict

   “Choose this for a pet that tolerates a dress and tiara and whose measurements fit the chart; pick the GOYOSWA Cowboy Rider instead for a moving gag.”

   → See it on Amazon →

5. Rubies Walking Teddy Bear Pet Costume, Medium

   

   Best for a Cozy Animal Character

   View Latest Price

   The Rubies Walking Teddy Bear takes a more covered, animal-character approach than the Wonder Woman dress: it has a step-in jumpsuit with attached arms, a hood with ears, and a checkered bow tie. That makes its silhouette more playful and teddy-like, while the Wonder Woman option is the simpler choice for a familiar licensed character. The listed 11–20 pound range gives a useful starting point for medium pets, but the maker warns that costumes can run small, so weight alone should not settle the fit. Its hood and attached arms also mean more fabric and parts around the dog than a lightweight dress. I’d pick it for short, supervised parties or photos when the dog tolerates a hood, rather than for pets that need unrestricted, minimal coverage.

   Pros:

   • Step-in jumpsuit, attached arms, hood, ears, and bow tie create a complete teddy-bear look.
   • Designed for medium pets in the listed 11–20-pound range.
   • Suitable for Halloween, parties, and other dress-up occasions.

   Cons:

   • The costume may run smaller than regular apparel, so sizing needs care.
   • The hood and attached arms add more coverage than a simple dress.
   • The provided details do not specify a care method or fabric composition.

   Best for: Owners of 11–20-pound pets who want a full teddy-bear character costume for brief parties, Halloween events, or photos.

   Not ideal for: Dogs uncomfortable with hoods or more covered outfits, and buyers who prefer a fit that can be chosen by weight alone.

   • Size:Medium
   • Recommended pet weight:11–20 pounds
   • Neck size:14.5 inches
   • Item weight:0.2 kg
   • Color:Brown
   • Included components:Hooded step-in costume with arms
   Our verdict

   “Pick this for a medium pet that accepts a hood and a fuller costume; choose the Wonder Woman dress for a simpler, less covered character look.”

   → See it on Amazon →

6. GOYOSWA Dog Vampire Halloween Cape Costume, Large

   

   Best for Broad Neck Fit

   View Latest Price

   The adjustable 14–25-inch neck range makes this cape a useful option for medium dogs with broader necks that may fall outside narrower costume measurements. Its red-and-black polyester design and stand-up collar create a recognizable vampire look without covering the body, so it may suit dogs that resist full outfits. Compared with the Vehomy Purple Halloween Dog Witch Cape and Hat Costume, this is the simpler one-piece choice: there is no separate hat to keep in place, but also less of a head-to-tail costume effect. The main tradeoff is sizing: “Large” refers to the listed neck range, so buyers should measure rather than rely on the label. It is also hand wash only, making cleanup less convenient after outdoor festivities.

   Pros:

   • Wide stated neck range accommodates varied neck measurements
   • Adjustable drawstring closure allows fit adjustment
   • Cape leaves the body uncovered for dogs that dislike full outfits
   • Red-and-black colors and stand-up collar create a clear vampire theme

   Cons:

   • Large sizing may not match a buyer’s expectations for a medium dog, so neck measurement is necessary
   • Hand-wash-only care takes more effort than the Fitwarm clown costume’s machine-washable care

   Best for: Owners of medium dogs with necks measuring 14–25 inches who want a simple, adjustable cape rather than a full-body outfit.

   Not ideal for: Owners of dogs with necks outside the 14–25-inch range or shoppers who want a machine-washable costume.

   • Brand:GOYOSWA
   • Size:Large
   • Neck size:14–25 inches
   • Material:Polyester
   • Closure:Adjustable drawstring
   • Color:Red and black
   • Care:Hand wash only
   • Quantity:1
   Our verdict

   “Choose this cape for a medium dog whose neck measures 14–25 inches and who is more comfortable in a lightweight-feeling costume layer than a full outfit.”

   → See it on Amazon →

7. PAYHTOW Dog Cowboy Rider Halloween Costume, Medium

   

   Best for Playful Photos

   View Latest Price

   This costume’s waggling cowboy rider gives it more visual movement than the cape and wing options in this roundup, making it a photo-focused pick for dogs comfortable wearing a novelty saddle. The medium size has specific limits—11–15-inch necks, 18–21-inch chests, and a suggested 10–22-pound range—so measuring matters more here than choosing by breed name. Hook-and-loop straps allow some adjustment, while the polyester-and-cotton construction is intended to feel soft and breathable. Compared with the OLANRUN Dog Bat Wings Halloween Costume with Pumpkin Bell, this delivers a more character-driven look but adds a rider perched on the dog’s back. That extra visual detail may be less suitable for dogs that dislike costume pieces resting across their torso.

   Pros:

   • Waggling cowboy rider creates a distinctive, playful photo look
   • Hook-and-loop straps allow fit adjustment
   • Polyester-and-cotton material is described as soft and breathable
   • Specific neck and chest measurements help buyers check fit before ordering

   Cons:

   • The rider and saddle-style design may bother dogs that dislike costume pieces on their back
   • Medium fit is limited to the stated neck, chest, and suggested weight range
   • Fit depends on measuring both neck and chest rather than using weight alone

   Best for: Owners of 10–22-pound dogs within the listed neck and chest measurements who want a humorous costume for posed Halloween photos.

   Not ideal for: Dogs outside the stated measurements or dogs that are unsettled by a saddle-style costume or an attached moving figure.

   • Brand:PAYHTOW
   • Size:Medium
   • Neck circumference:11–15 inches
   • Chest circumference:18–21 inches
   • Suggested weight:10–22 pounds
   • Material:Polyester and cotton
   • Closure:Hook and loop
   • Quantity:1 costume
   Our verdict

   “Pick this for a measurement-matched dog that tolerates a saddle-style costume and whose owner values a funny, animated look for photos.”

   → See it on Amazon →

8. OLANRUN Dog Bat Wings Halloween Costume with Pumpkin Bell, Medium

   

   Best Lightweight Theme

   View Latest Price

   Felt bat wings provide a Halloween silhouette without the coverage of the Fitwarm full-body clown outfit, which may suit dogs that prefer a less enveloping costume. This medium option includes a pumpkin face bell, adding a second seasonal detail without requiring a separate accessory. Hook-and-loop neck and chest straps offer adjustment, but the listed measurements still need close checking: the neck range is 15–22.8 inches and the chest range is 10.6–16.1 inches. That chest range is notably different from the measurements supplied for the PAYHTOW Dog Cowboy Rider Halloween Costume, so buyers should compare their dog’s actual measurements rather than assume “medium” means the same fit across styles. Hand washing is another tradeoff, and the bell may not suit dogs sensitive to sound.

   Pros:

   • 5 mm felt wings create a clear bat shape without a full-body garment
   • Adjustable hook-and-loop straps at the neck and chest
   • Includes a pumpkin face bell for an added Halloween detail
   • Lightweight felt is designed to allow free movement

   Cons:

   • Hand wash only, unlike the machine-washable Fitwarm clown costume
   • The specified chest range may not fit many dogs described generally as medium
   • Included bell may be unsuitable for sound-sensitive dogs

   Best for: Owners seeking a relatively simple bat-themed costume for a dog whose neck and chest fit the listed ranges, especially for parties or pet parades.

   Not ideal for: Dogs with chest measurements outside 10.6–16.1 inches or dogs bothered by wearable bells or hand-wash-only care.

   • Brand:OLANRUN
   • Size:Medium
   • Material:100% felt
   • Felt thickness:5 mm
   • Neck size:15–22.8 inches
   • Chest size:10.6–16.1 inches
   • Closure:Hook and loop
   • Included accessory:Pumpkin face bell
   • Care:Hand wash only
   Our verdict

   “Choose these wings for a measurement-matched dog that prefers a lighter costume layer and is comfortable wearing a bell.”

   → See it on Amazon →

9. Vehomy Purple Halloween Dog Witch Cape and Hat Costume, Medium

   

   Best Two-Piece Costume

   View Latest Price

   The matching cape and witch hat make this a more complete character look than the single-layer GOYOSWA vampire cape, with glitter fabric adding a festive finish for parties and photos. Both pieces have adjustable closures, which gives owners some flexibility, but the product data lists garment dimensions rather than a broad neck-and-chest fit range. The 12.6-inch cape back length, 7.9-inch collar girth, and 6.3-inch hat diameter are the measurements to check against your dog before choosing it. Compared with the OLANRUN bat wings, this costume emphasizes a dressed-up witch look rather than a simple silhouette and bell. The tradeoff is that two pieces may take more adjustment to keep positioned, and the polyester costume is hand wash only.

   Pros:

   • Includes both a cape and a matching witch hat
   • Adjustable closures on the cape and hat allow some fit flexibility
   • Glitter fabric creates a festive appearance for photos and parties
   • Product lists cape and hat dimensions for fit checks

   Cons:

   • The two-piece design may require more positioning than a single cape
   • Listed dimensions do not give a broad neck-and-chest sizing range
   • Hand wash only

   Best for: Owners of medium dogs who want a coordinated witch look for supervised photos or parties and can match the listed garment dimensions to their pet.

   Not ideal for: Dogs that resist wearing hats, owners who need a simple one-piece costume, or buyers seeking machine-washable care.

   • Brand:Vehomy
   • Included items:Cape and witch hat
   • Size:Medium
   • Cape back length:12.6 inches (32 cm)
   • Cape collar girth:7.9 inches (20 cm)
   • Hat diameter:6.3 inches (16 cm)
   • Hat height:5.1 inches (13 cm)
   • Material:100% polyester
   • Care:Hand wash only
   Our verdict

   “Pick this set for a medium dog comfortable wearing a hat and cape when a coordinated witch costume matters more than quick dressing.”

   → See it on Amazon →

10. Fitwarm Halloween Clown Costume for Small Dogs, Yellow, Medium

    

    Best for Easy Cleanup

    View Latest Price

    The machine-washable, pull-on design gives this clown costume a practical advantage over the hand-wash-only capes and wings in this group. Its lightweight polyester-and-spandex fabric offers stretch, while a leash hole lets owners attach a leash without removing the outfit. This is a full-body costume with puffed sleeves and a ruffle collar, so it creates a more dressed-up look than the GOYOSWA Dog Vampire Halloween Cape Costume, but it also covers more of the dog and may be less appealing to pets that dislike clothing. Fit deserves extra scrutiny: despite the “Medium” label, the product is described for small dog breeds, with a 12-inch back, 16-inch chest, and 11-inch neck. It is also not water resistant, so it is best suited to dry outings.

    Pros:

    • Machine washable, unlike the hand-wash-only costumes in this group
    • Stretch fabric is designed to support flexible movement
    • Pull-on design and leash hole simplify dressing and leash use
    • Full-body clown styling offers a more complete look than a cape or wings

    Cons:

    • Sizing is intended for small dog breeds despite the Medium label
    • Full-body coverage may not suit dogs that resist wearing clothing
    • Not water resistant

    Best for: Owners of small-bodied dogs matching the listed measurements who want a full costume with a leash opening and easier laundry care.

    Not ideal for: Owners of medium or larger dogs who expect a roomy fit from the size label, or anyone needing a costume for wet weather.

    • Brand:Fitwarm
    • Size:Medium
    • Back length:12 inches
    • Chest size:16 inches
    • Neck size:11 inches
    • Material:95% polyester, 5% spandex; cuffs: 95% cotton, 5% spandex
    • Closure:Pull-on
    • Features:Leash hole; lightweight
    • Care:Machine washable
    Our verdict

    “Choose this for a small, measurement-matched dog whose owner wants an easy-care full-body costume for dry Halloween events.”

    → See it on Amazon →

11. PAYHTOW Dog King Costume with Cloak and Crown, Large

    

    Best for a Regal Photo Look

    View Latest Price

    For a medium dog at the upper end of the size range, this cloak-and-crown set gives a clear royal theme without covering the body in a full suit. The soft polyester cloak is paired with a gold crown, whose elastic strap and adjustable cord offer more ways to secure the headpiece than a fixed-fit hat. Compared with the Rubies Superman costume, this is less character-specific and leans more on a bold visual effect for party pictures. The main tradeoff is sizing: “Large” is defined by a 20–25-inch neck, so the label alone is not enough to judge fit on a medium dog. It is also not water resistant, making it better for indoor festivities and dry-weather photos than damp outdoor walks.

    Pros:

    • Includes both a red cloak and gold crown for a complete royal theme
    • Soft polyester cloak avoids the bulk of a full-body costume
    • Crown has both an elastic strap and adjustable cord
    • Machine-washable care is convenient after a party

    Cons:

    • Large sizing is specified by neck measurement and may not suit many medium dogs
    • Not water resistant
    • The description gives no chest or body-length measurement for checking cloak fit

    Best for: Owners of medium-to-large dogs with 20–25-inch necks who want a simple royal outfit for indoor parties or photos

    Not ideal for: Dogs with necks outside the stated range, or owners seeking a weather-resistant costume for outdoor Halloween walks

    • Brand:PAYHTOW
    • Pet type:Dog
    • Size:Large
    • Neck size:20–25 inches
    • Material:Polyester
    • Color:Red cloak with gold crown
    • Included items:1 cloak and 1 crown
    • Care:Machine wash
    • Water resistance:Not water resistant
    Our verdict

    “Choose this for a photo-ready royal look if your dog’s neck measures 20–25 inches and the event is likely to stay dry.”

    → See it on Amazon →

12. Pet Deadly Doll Costume for Dogs and Cats

    

    Best for a Themed Halloween Character

    View Latest Price

    This padded deadly-doll outfit is the most character-driven choice here: stuffed arms, a matching headpiece, and blue fabric create a more complete disguise than the PAYHTOW king’s cloak-and-crown pairing. Adjustable elastic ties at the neck and chest give buyers some room to tune the fit, while the headpiece’s ear openings and chin band help keep the theme recognizable. The removable knife-shaped attachment is a useful option for photos, but removing it may make the costume easier to wear for a longer stretch. The medium recommendation spans 22–40 pounds, with a 50 cm neck and 19.7-inch chest listed, so comparing measurements is more useful than relying on breed labels. Like the Superman costume, it has fit limitations; unlike that lightweight set, its padding and headpiece add more costume presence and more pieces to manage.

    Pros:

    • Padded stuffed arms make the character look more complete than a cape-only costume
    • Adjustable neck and chest ties allow some fit adjustment
    • Matching headpiece includes ear openings and an elastic chin band
    • Knife-shaped attachment can be removed

    Cons:

    • The extra padding and headpiece may not suit dogs that resist wearing costumes
    • Medium fit is tied to several measurements that buyers need to check
    • Not water resistant

    Best for: Owners of medium dogs who want a recognizable, photo-focused Halloween character and are willing to check neck and chest measurements

    Not ideal for: Dogs that dislike headpieces or added costume pieces, and owners who need a water-resistant outfit for outdoor use

    • Brand:CAISANG
    • Pet types:Dogs and cats
    • Breed sizes:Small, medium, and large
    • Materials:Cotton and polyester
    • Color:Blue
    • Medium weight recommendation:22–40 lb
    • Neck size:50 cm
    • Chest size:19.7 inches
    • Water resistance:Not water resistant
    Our verdict

    “Pick this for a full, playful character look on a measured medium dog, but skip it if your dog prefers minimal clothing or headwear.”

    → See it on Amazon →

13. Rubies DC Comics Superman Pet Costume, Medium

    

    Best Lightweight Superhero Pick

    View Latest Price

    For a dog that may object to a full outfit, this bib-style chest piece, cape, and belt provide a recognizable Superman look with less coverage than the padded deadly-doll costume. The set weighs 4 ounces, which makes it a sensible choice when freedom of movement matters more than a highly elaborate disguise. Its officially licensed DC design also gives the character a clear, familiar identity, unlike the PAYHTOW king costume’s broader royal theme. Fit needs care: the medium is recommended for pets weighing 11–20 pounds, with a 20-inch chest and 14.5-inch neck, and the product notes that costumes may run small. That range may exclude many dogs commonly described as medium, so I would use the measurements rather than the size name. The tradeoff is a lighter, simpler look with less body coverage.

    Pros:

    • Includes a recognizable Superman chest piece, cape, and belt
    • Lightweight design weighs 4 ounces
    • Officially licensed DC Comics character
    • Suitable for dogs or cats

    Cons:

    • Medium is recommended for pets weighing only 11–20 pounds
    • Costumes may run small, so careful measurement is needed
    • Bib-style pieces provide less coverage than a padded character costume

    Best for: Owners of smaller medium dogs who want a lightweight, recognizable superhero costume with limited body coverage

    Not ideal for: Dogs over the stated 11–20-pound range or buyers who want a full-body outfit with more elaborate coverage

    • Brand:Rubies
    • Character:Superman
    • Size:Medium
    • Recommended pet weight:11–20 lb
    • Chest size:20 inches
    • Neck size:14.5 inches
    • Included components:Chest piece, cape, and belt
    • Item weight:4 ounces
    • License:Officially licensed DC Comics
    Our verdict

    “Choose this lightweight Superman set for a smaller medium dog that tolerates simple costume pieces and fits the listed measurements.”

    → See it on Amazon →

How We Picked

I ranked these Halloween costumes for medium dogs by how clearly each product suits the stated size range, how much outfit complexity it asks a dog to tolerate, and whether its design offers a distinct use case. I also considered the practical implications of each format: a cape, wings, hat, crown, or rider piece can change how a costume fits and moves, even when the listing gives a size label. Because the lineup includes medium, large, and small-dog listings, I treated label mismatches as a real fit concern rather than assuming every option would work for every medium-sized dog.

The ranking favors versatile designs with clearer medium-dog relevance over options whose listed size or elaborate structure may narrow the audience. Character recognition, ease of choosing between similar styles, and the likely need to check measurements also shaped placement. I can’t confirm fabric feel, durability, or fit on an individual dog from the product names alone, so I avoid treating those qualities as proven. Buyers should verify the current listing’s size chart and construction details before ordering.

Factors to Consider When Choosing Halloween Costumes For Medium Dogs

The best costume is not necessarily the most elaborate one; it is the outfit that fits your dog’s body and tolerance for wearing clothes. I’d make the decision in this order: size and movement first, then how much coverage your dog will accept, then the style you want.

Measure the Dog, Not the Breed Label

A medium-size label is only a starting point, since dogs with similar weights can have very different chest, neck, and back measurements. Check the product’s current chart and follow its instructions for measuring; do not choose by breed name alone. If your dog falls between sizes, look for any guidance about adjustability and where the costume needs to sit. A snug chest piece can restrict movement, while a loose cape or accessory may shift. This matters especially with listings labeled large or small-dog, since those labels do not automatically rule an outfit in or out for a particular medium dog.

Match the Costume Format to Your Dog’s Patience

Think about what your dog already accepts before choosing a design with several parts. A dog that tolerates a simple garment may still resist a hat, crown, or pieces positioned around the body. If dressing is new, begin with a simpler format and introduce it in short, calm sessions before Halloween. Don’t force an accessory that your dog paws at or tries to remove. More pieces can create a stronger character effect, but they also add fitting steps and more chances for the outfit to shift.

Check Movement and Visibility

Costumes should not interfere with walking, sitting, turning, or seeing clearly. Wings, capes, and headwear can change how an outfit moves, so check the design and attachment points before using it outdoors. Let your dog walk around indoors while supervised and watch for rubbing, slipping, or hesitation. If a costume blocks the dog’s vision or catches on furniture, remove it rather than trying to adjust it while walking. For trick-or-treat outings, prioritize a clear view and comfortable movement over a more dramatic silhouette.

Plan for Weather and Time Worn

Halloween temperatures vary, and a costume that feels manageable indoors may be uncomfortable during a longer outing. Consider the outfit’s coverage alongside your dog’s coat and the local weather, but don’t assume a costume provides reliable warmth or protection. Keep the first wear brief, and take it off if your dog shows signs of discomfort, overheating, or repeated attempts to escape it. Photos at home may call for only a few minutes of wear; a neighborhood walk demands a more comfortable, secure fit. The intended occasion should shape how much outfit you choose.

Choose a Theme Your Dog Can Wear Comfortably

A recognizable character can be fun, but the theme should not take priority over fit and comfort. The lineup spans comic heroes, pirates, cowboys, a witch, a clown, a vampire, a teddy bear, and more, so buyers have options at different levels of visual complexity. Compare the actual garment format, not just the costume name: two themed outfits may cover different areas or require different accessories. If your dog dislikes headwear, favor a design that does not depend on a hat or crown for its look. For a quick photo, a statement piece may be enough; for longer wear, simpler is often easier to manage.

Check Care and Listing Details Before Ordering

Costume listings can differ in what components are included and how the outfit should be cleaned, so read the current product details rather than relying on the title alone. Look for clear instructions about washing, fasteners, and any small detachable accessories. A multi-piece outfit may need more care after use than a single garment, while delicate or shaped elements could limit cleaning options. Keep small parts away from dogs when the costume is off, especially if your dog tends to chew accessories. These checks can prevent a themed outfit from becoming inconvenient after one wear.

Frequently Asked Questions

How do I choose between the GOYOSWA and PAYHTOW Cowboy Rider costumes?

Start by comparing the current size charts and outfit details, since the shared cowboy rider theme does not mean the two versions fit or attach in the same way. Check which components are included and how they sit on your dog’s back and chest. If your dog is new to costumes, favor the listing with clearer measurements and a simpler fitting process. Don’t choose between them on theme alone; a secure fit and comfortable movement matter more than small styling differences. If neither listing gives enough fit information, a simpler costume may be a safer choice.

Can a costume labeled large or small-dog fit a medium dog?

It can, but the label by itself is not enough to make that call. Compare your dog’s measurements with the exact chart for that product, paying attention to the area the costume wraps around and its overall length. The GOYOSWA Vampire Cape and PAYHTOW King costume are labeled large, while the Fitwarm Clown listing is labeled for small dogs, so those deserve extra scrutiny for a medium-sized dog. A mismatch between the listing label and your dog’s measurements is a reason to pause, not to guess. Check the retailer’s current size and return information before ordering.

Which type of costume is a sensible first choice for a dog that dislikes dressing up?

Look for a design with fewer pieces and less headwear, rather than choosing solely by character. A cape or wings may involve less dressing than a costume built around a hat, crown, or rider effect, though the exact attachment method still matters. Introduce the outfit gradually at home and reward calm behavior; stop if your dog persistently paws at it or seems distressed. Keep the first session short and supervised. If your dog remains uncomfortable, skip the costume and use a festive collar or photo backdrop instead.

Are the capes and bat wings suitable for a Halloween walk?

They may work for some dogs, but suitability depends on fit, attachment, visibility, and how the dog moves in the garment. Try the outfit indoors first and check that it stays in place without restricting walking or turning. Wings and capes can catch or shift, so supervise your dog and avoid busy areas if the costume makes movement awkward. A short photo session places fewer demands on the outfit than a long walk. Remove it if your dog becomes uncomfortable or the costume starts to slip.

Should I pick a licensed superhero costume or a general Halloween character?

Choose a licensed Wonder Woman or Superman look if recognizable comic-book styling is your main goal. A general character such as the witch, pirate, cowboy, vampire, clown, or teddy bear may better suit a specific Halloween theme or a dog that needs a simpler format. Compare the actual pieces and fit requirements, since a familiar character name does not tell you how easy the costume is to wear. Decide whether the outfit is mainly for a photo, a party, or an outing. That use will help you weigh visual detail against comfort and ease of fitting.

Conclusion

My best overall starting point is the GOYOSWA Deadly Doll for shoppers seeking a clearly themed costume, while the OLANRUN Bat Wings are a more restrained pick for buyers who prefer a simpler silhouette. For a value-minded decision, compare the two Cowboy Rider listings carefully and choose the one with the clearest fit details and included components; I can’t verify a value winner from product names alone. For beginners, I’d favor a simpler format such as the bat wings or a cape over an outfit with several accessories. Buyers seeking a specific character can choose Wonder Woman or Superman, while the witch, pirate, vampire, clown, teddy bear, and king styles cover other themes. Before ordering any of them, match your dog’s measurements to the exact listing and think about how long your dog will wear it.