Exclusive Halloween Costumes
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![Adult Gremlins Gizmo Costume](https://images.halloweencostumes.ca/products/70079/1-2/adult-gremlins-gizmo-costume.jpg)
Sale - 42%
Made By Us
$82.99$48.99-$68.99
![Adult Cheshire Cat Onesie Alt 2](https://images.halloweencostumes.ca/products/57204/2-2-147539/adult-cheshire-cat-onesie-alt-2.jpg)
Sale - 11%
Made By Us
$61.99$55.99-$61.99*
![Adult 101 Dalmatians Pongo Costume Onesie-2](https://images.halloweencostumes.ca/products/70289/1-2/adult-101-dalmatians-pongo-costume-onesie-2.jpg)
Sale - 40%
Made By Us
$68.99$41.99-$68.99*
![Adult Stay Puft Marshmallow Man Costume Onesie Alt 1](https://images.halloweencostumes.ca/products/70108/2-2-292864/adult-stay-puft-marshmallow-man-costume-onesie-alt-1.jpg)
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![Brown Bear Adult Onesie](https://images.halloweencostumes.ca/products/53131/1-2/brown-bear-adult-onesie.jpg)
Sale - 20%
Made By Us
$68.99$55.99-$68.99*
![Adult Hulk Hogan Union Suit](https://images.halloweencostumes.ca/products/71866/1-2/adult-hulk-hogan-union-suit.jpg)
Sale - 60%
Made By Us
$68.99$27.99-$41.99
![Adult's Grumpy Bear Care Bear Onesie](https://images.halloweencostumes.ca/products/63317/1-2/adults-grumpy-bear-care-bear-onesie.jpg)
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![Adult Cozy Skeleton Onesie](https://images.halloweencostumes.ca/products/70545/1-2/adult-cozy-skeleton-onesie.jpg)
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$68.99
![Sesame Street Cookie Monster Onesie](https://images.halloweencostumes.ca/products/70510/1-2/sesame-street-cookie-monster-onesie.jpg)
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Exclusive
$68.99-$144.99
![Sesame Street Elmo Onesie Costume](https://images.halloweencostumes.ca/products/70512/1-2/sesame-street-elmo-onesie-costume.jpg)
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![Macho Man Union Suit](https://images.halloweencostumes.ca/products/71867/1-2/macho-man-union-suit.jpg)
Sale - 80%
Made By Us
$68.99$13.99
![Adult Oscar the Grouch Costume Onesie](https://images.halloweencostumes.ca/products/76489/1-2/adult-oscar-the-grouch-costume-onesie.jpg)
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Exclusive
$110.99-$137.99
![Plus Stay Puft Marshmallow Man Costume Onesie](https://images.halloweencostumes.ca/products/70746/1-2/plus-stay-puft-marshmallow-man-costume-onesie.jpg)
Sale - 20%
Made By Us
$68.99$55.99-$82.99*
![Adult Narwhal Onesie Costume](https://images.halloweencostumes.ca/products/53147/1-2/adult-narwhal-onesie-costume.jpg)
Sale - 30%
Made By Us
$68.99$48.99-$68.99*
![Adult Giraffe Onesie](https://images.halloweencostumes.ca/products/51096/1-2/adult-giraffe-onesie.jpg)
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Exclusive
$75.99
![Plus Size 101 Dalmatians Pongo Adult Costume Onesie-2](https://images.halloweencostumes.ca/products/70745/1-2/plus-size-101-dalmatians-pongo-adult-costume-onesie-2.jpg)
Sale - 33%
Made By Us
$82.99$55.99-$82.99*
![Adult Yellow Duck Onesie](https://images.halloweencostumes.ca/products/53150/1-2/adult-yellow-duck-onesie.jpg)
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$55.99-$68.99
![Adult Blob Fish Costume](https://images.halloweencostumes.ca/products/79942/1-2/adult-blob-fish-costume.jpg)
Sale - 30%
Made By Us
$68.99$48.99
![Adult Black Cat Onesie](https://images.halloweencostumes.ca/products/51072/1-2/adult-black-cat-onesie.jpg)
Sale - 11%
Made By Us
$61.99$55.99-$61.99*
![Power Rangers Red Ranger Hooded Union Suit](https://images.halloweencostumes.ca/products/87286/1-2/power-rangers-red-ranger-hooded-union-suit.jpg)
Sale - 20%
Made By Us
$68.99$55.99-$68.99*
![Adult Transformers Optimus Prime Union Suit](https://images.halloweencostumes.ca/products/87062/1-2/adult-transformers-optimus-prime-union-suit.jpg)
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![Adult Pajama Penguin Costume](https://images.halloweencostumes.ca/products/51141/1-2/adult-pajama-penguin-costume.jpg)
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Exclusive
$55.99
![Cozy Skeleton Onesie](https://images.halloweencostumes.ca/products/80954/1-2/cozy-skeleton-onesie.jpg)
Sale - 18%
Made By Us
$75.99$61.99-$75.99*
![Adult Sloth Onesie](https://images.halloweencostumes.ca/products/56376/1-2/adult-sloth-onesie.jpg)
Sale - 50%
Made By Us
$68.99$34.99-$68.99*
![Adult Funny Bunny Onesie](https://images.halloweencostumes.ca/products/53145/1-2/adult-funny-bunny-onesie-.jpg)
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![Brown Bear Plus Size Onesie](https://images.halloweencostumes.ca/products/53133/1-2/brown-bear-plus-size-onesie.jpg)
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![Adult Bear Onesie Costume Alt 1](https://images.halloweencostumes.ca/products/68801/2-2-187032/adult-bear-onesie-costume-alt-1.jpg)
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Exclusive
$55.99-$68.99
![Adult Frog Onesie Costume](https://images.halloweencostumes.ca/products/76523/1-2/adult-frog-onesie-costume.jpg)
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$61.99-$75.99
![Adult Shark Onesie](https://images.halloweencostumes.ca/products/57005/1-2/adult-shark-onesie-.jpg)
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$75.99-$89.99
![The Grinch Adult Onesie Costume upd](https://images.halloweencostumes.ca/products/46877/1-2/the-grinch-adult-onesie-costume-upd.jpg)
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![Adult Elf Onesie Costume](https://images.halloweencostumes.ca/products/76173/1-2/adult-elf-onesie-costume.jpg)
Sale - 30%
Made By Us
$68.99$48.99
![Adult Gingerbread Man Onesie Costume](https://images.halloweencostumes.ca/products/76520/1-2/adult-gingerbread-man-onesie-costume.jpg)
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![Adult Transformers Bumblebee Union Suit](https://images.halloweencostumes.ca/products/87063/1-2/adult-transformers-bumblebee-union-suit.jpg)
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![Grumpy Bear Comfy Throw](https://images.halloweencostumes.ca/products/85805/1-2/grumpy-bear-comfy-throw.jpg)
Sale - 50%
Made By Us
$41.99$20.99
![Karate Kid Cobra Kai Robe](https://images.halloweencostumes.ca/products/38129/1-2/karate-kid-cobra-kai-robe.jpg)
Sale - 20%
Made By Us
$68.99$55.99
![Karate Kid Daniel San Robe](https://images.halloweencostumes.ca/products/38130/1-2/karate-kid-daniel-san-robe.jpg)
Sale - 60%
Made By Us
$68.99$27.99
![Adults Garfield Onesie Costume](https://images.halloweencostumes.ca/products/64923/1-2/adults-garfield-onesie-costume.jpg)
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![Plus Size Garfield Costume Onesie](https://images.halloweencostumes.ca/products/94669/1-2/plus-size-garfield-costume-onesie.jpg)
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![Adult's Cheer Bear Care Bear Onesie](https://images.halloweencostumes.ca/products/63316/1-2/adults-cheer-bear-care-bear-onesie.jpg)
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![Adult Ludo Union Suit Labyrinth Costume](https://images.halloweencostumes.ca/products/77393/1-2/adult-ludo-union-suit-labyrinth-costume.jpg)
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If you want to get a unique and different look this Halloween, then our collection of Exclusive Halloween Costumes is for you! We carry more than a hundred unique, exclusive costumes that you will find only on Halloween Costumes.com. From our exclusive plus size Dorothy costume, to our sexy Cheshire Cat costumes, we have a unique costume that will help you stand out at your next event. Find a large selection of sizes, including infant and toddler, as well as plus sizes of many of our costumes. We offer original Halloween costumes you won't find anywhere else! These exclusive unique halloween costumes are sure to get you noticed this Halloween!