17 Halloween Onesies For Adults That Are All About Comfort

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Out with uncomfortable, itchy, and too-skimpy-for-October Halloween costumes, and in with cozy, cute, and comfortable onesies. No matter if you're hanging out at home this Halloween and eating your favorite candy while watching a scary movie or going to a casual get-together and need something easy to dress up in, these onesies will give you exactly what you need to have the best All Hallows' Eve of them all. Not to mention, they totally double as pajamas, so no need to change before you pass out from a candy coma.

No matter if you want an easy one-and-done costume or to be cozy this year, these onesies will do the trick. Whether it be Yoda, a shark, a dragon, or an '80s cartoon bear, there are so many onesies on the market that are comfortable and casual and can be worn time and time again. From scary to cute and everything in between, there's bound to be a Halloween onesie that captures your interest. Keep reading to check out the best onesies that are suitable for your next Halloween party, movie night, and beyond.

Additional reporting by Sarah Wasilak and Lauren Harano

01
A Star Wars Halloween Onesie: Yoda Onesie
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A Star Wars Halloween Onesie: Yoda Onesie

May the Force be with you every time you wear this comfortable Yoda Onesie ($38). The onesie features a hood with the Star Wars character's signature green face. Crafted of polyester, this onesie is as soft as you'd imagine it to be and even has pockets.

02
An Animal Halloween Onesie: Lemur Onesie
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An Animal Halloween Onesie: Lemur Onesie

The black-and-white striped tail on this Lemur Onesie ($25-$35) makes it so fun to wear. The one-piece has a slim fit, zippered side pockets, and a zip-up closure that make it easy to throw on and take off. Plus, it's machine washable, so you can use it year after year.

03
An Animal Halloween Onesie: Women's Kangaroo Costume
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An Animal Halloween Onesie: Women's Kangaroo Costume

Not only is this Women's Kangaroo Costume ($80) comfortable, but it also comes with a plush baby kangaroo toy. Take it up a notch by adding on a tail and a set of fluffy ears (they come with the costume) for a look that turns heads. This onesie is great for Halloween party hopping — no pun intended.

04
A Mystical Halloween Onesie: Women's Nightmare Unicorn Costume
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A Mystical Halloween Onesie: Women's Nightmare Unicorn Costume

Rainbows, stars, and a colorful tail make up this Women's Nightmare Unicorn Costume ($80). The onesie is the perfect way to fulfill your mystical fantasies and even features two pockets in the front. Wear it to your next party or when you want to cozy up alone — we love its colorful horn on top.

05
A Menacing Halloween Onesie: Women's Shark Costume
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A Menacing Halloween Onesie: Women's Shark Costume

Deep dive into Halloween this year when you flaunt this bright-blue Women's Shark Costume ($80). The shark costume features razor-sharp teeth on its hoodie and pointed fins on its arms and back. Everyone will compliment the look of this costume, and you'll adore its comfort.

06
An Animal Halloween Onesie: Women's Sloth Costume
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An Animal Halloween Onesie: Women's Sloth Costume

If you're feeling extra lazy this October, we suggest snuggling up in this cozy Women's Sloth Costume ($80) every night. It's great for days you're feeling slow-moving like a sloth. The costume features two black eyes on its hood and claws on its arms.

07
A Majestic Halloween Onesie: Women's Lion Costume
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A Majestic Halloween Onesie: Women's Lion Costume

Take a look at the soft fur on this Women's Lion Costume ($80) — doesn't it invite you in? The jumpsuit features a tail and a mane that's super soft and snuggly. Trust us when we say: you'll be the ruler of the jungle with this Halloween costume on.

08
A Mystical Halloween Onesie: Women's Dragon Costume
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A Mystical Halloween Onesie: Women's Dragon Costume

The horns and wings on this Women's Dragon Costume ($80) really make it come to life. Embrace your fantasy with its scaly (yet comfortable) look and tail that give it an all-too-real edge. You'll glide from castle to castle with this piece on.

09
A Throwback Halloween Onesie: Women's '80s Cartoon Bear Costume
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A Throwback Halloween Onesie: Women's '80s Cartoon Bear Costume

To complete this Women's '80s Cartoon Bear Costume ($80), wear colorful glittery makeup. It's based on '80s Care Bears, after all, and it will certainly lock in some hugs throughout the evening. Its velvet material is super soft, making it no problem to wear all night long.

10
A Scary Halloween Onesie: Skeleton Onesie
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A Scary Halloween Onesie: Skeleton Onesie

Pair this Skeleton Onesie ($29-$60) with black-and-white face makeup, and your costume is complete. The costume could even double as Kourtney Kardashian and Travis Barker, depending on what you're going for. Its fleece lining is extra soft and will keep you warm on chilly nights.

11
A Mystical Halloween Onesie: Mermaid Onesie
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A Mystical Halloween Onesie: Mermaid Onesie

You don't have to be under the sea to pull off this cute Mermaid Onesie ($30). Simply throw it on, zip it up, and wear it to your next Halloween event. Whether it be an office party or a get-together with friends, everyone will recognize who you're trying to portray in this costume.

12
A Mystical Halloween Onesie: Angel Onesie
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A Mystical Halloween Onesie: Angel Onesie

Gold wings and a chic halo make this Angel Onesie ($33) one of our favorites. Regardless if you were on the naughty or nice list this year, this onesie is here to prove you have an angel side to you. We love its all-over starry print, and its gold wings make it even more real.

13
A Superhero Halloween Onesie: Batgirl Onesie
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A Superhero Halloween Onesie: Batgirl Onesie

The sky is the limit when you're in this super-comfortable Batgirl Onesie ($39-$56). If you're a DC Comics fan, this is a great costume to show off your affinity for its characters. The onesie features wings and even a fun mask to add to its iconic superhero appeal.

14
A Fish Halloween Onesie: Women's Lobster Costume
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A Fish Halloween Onesie: Women's Lobster Costume

No one will be able to miss how comfortably cute you look in this red-hot Women's Lobster Costume ($80). Whether you are pairing this with a mermaid costume or love the shellfish design on its own, it's a great choice for a Halloween event.

15
An Animal Halloween Onesie: Cow Onesie
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An Animal Halloween Onesie: Cow Onesie

A movie night will be even more enjoyable when you're snuggled up in this Cow Onesie ($25-$35). Believe it or not, it's technically a pajama set, but its unique design doubles wonderfully as a costume. It's machine washable, so if you decide to fall asleep in it, you can wash it the next day.

16
A Scary Halloween Onesie: Devil Onesie
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A Scary Halloween Onesie: Devil Onesie

If you've been up to no good this year, we suggest you wear this Devil Onesie ($29-$50). Whether you are pairing this with an angel costume or simply want to show off your devilish ways, this onesie's black flames and red horns won't disappoint. Zip it up and wear it out for an envious look.

17
A Spooky Halloween Onesie: Black Cat Onesie
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A Spooky Halloween Onesie: Black Cat Onesie

Everyone will want you to cross their path when you're wearing this Black Cat Onesie ($35). A black cat may mean bad luck, but don't worry, you're not actually a black cat . . . right? We love its ears and tail, which make the costume extra realistic.