36 Onesies That Are Too Cool for School (Most Epic Onesies of 2018)

Whether you’re looking for something cozy to relax in, or perhaps you want something simple yet fun for a fancy dress party, or maybe even just super comfortable PJs for your little one, you’ve come to the right place. Take a look through our list and choose your favorite onesie – if you snooze you lose.

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LEGO Ninjago Boys' Onesie

Your little ninjas are going to love cozying up in this ultra soft LEGO Ninjago all-in-one set. They’ll look like the comfiest LEGO ninja, ever. It’s the perfect outfit for relaxing in at home with a lovely cup of hot chocolate, especially on those upcoming colder nights – bliss.

Prices Vary

Legend of Zelda Link Hooded Onesie

Dress just like the fearless Link himself in this awesome Legend of Zelda hooded pajama suit. All gaming geeks are going to go crazy for this, especially since it even has the Hylian Shield ready for them to go exploring Hyrule with – in comfort and style, what more could you want?

Prices Vary

Tipsy Elves Skeleton Onesie

From TipsyElves comes this spooky Skeleton bodysuit. This is great for those who like a bit of darkness, or perhaps even as a makeshift Halloween costume – it’s sure to rattle anyone’s bones! This neat bodysuit has the skeleton print on both the front and back, spooking everyone who crosses you.

$99.95

Tonwhar Stitch Kigurumi Onesie

Want to look just like experiment 626? Then take a look at this uber adorable Stitch Kigurumi. Kigurumis are the coziest pajamas ever, being made from the softest plush material around, keeping you warm and snug all year while looking like the sweetest alien monster in town.

Prices Vary

Leg Avenue Calico Cat Kigurumi Funsie Onesie

If alien monsters aren’t your sort of thing, don’t worry because you’re sure to appreciate this curious Cat Funsie instead – who doesn’t like kitties? Prowling the streets looking exactly like the friendly neighborhood cat, this Leg Avenue costume even features ‘purrfect’ furry ears and a long tail – miaow!

Prices Vary

Silver Lilly Lemur Onesie

This silly Silver Lilly Lemur Pajama outfit is great for all sorts of occasions, whether it be relaxing at home, a fancy dress party, Halloween, a funny family photo shoot, or just for feeling cute. It will make a neat, thoughtful gift for animal lovers, especially those who work in the industry.

$27.99

SunRise Fox Onesie

Dress your children up as a funky fabulous fox with these adorable SunRise Pajamas. Boys and girls can rock this or, if you have multiple children, why not get them all matching ones – that will definitely make for some sweet photos to look back on in the future!

Prices Vary

NEWCOSPLAY Flying Squirrel Onesie

Is it a bird? Is it a plane? No, it’s a flying squirrel…of course. With lots of extra ‘wing’ material to wrap yourself up in, this makes the perfect cozy costume for snuggling up in on those cold wintry nights – plus it even has a tail, how could you ever say no?

Prices Vary

Dragon Onesie

Your cheeky little monsters are going to look totally ‘roarsome’ in this daring dragon outfit. This scary set comes complete with matching monster slippers, keeping kids ultra cozy and in complete character, or it could even be used as a fancy dress costume for parties or Halloween.

Prices Vary

Donkey Kong Onesie

Nintendo fanatics are going to go ‘bananas’ for this funny Donkey Kong Onesie. With this, you will look just like Mario and Luigi’s arch-rival, especially with his iconic tie, so you’d best watch out for all of those pesky mushrooms, banana skins, and shells.

Prices Vary

Pikachu Onesie

If you have a Pokemon fan, you best ‘pika pika’ this SUPER adorable Pikachu suit, isn’t it just the cutest thing you’ve ever seen? You could even say it’s…electrifying…and would make the ultimate parent and child Halloween costume if the adult dressed as Pikachu’s trainer Ash Ketchum.

Prices Vary

#followme Jumpsuit Onesie

With girl power inspired emoji symbols, this #Followme Jumpsuit is brilliant for internet famous girls who aim for the maximum amount of ‘likes’. You know it’s going to make for the most cozy looking photos, especially with its thick, soft, and warm material and snuggly hood.

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BELIFECOS Chicken Onesie

Oh gosh, how sweet are your little chicks going to look in this outfit? You could say they are going to go ‘clucking’ crazy for it…or perhaps it will make for some ‘eggciting’ adventures…ahem. Though it’s only fair mother hen has a costume to match; just be careful not to get ‘scrambled’.

Prices Vary

Pacman Novelty Hooded Onesie

You only have to look at this awesome Pacman all-in-one to hear the iconic classic sound of the Pacman characters racing around and eating all the dots up – that is until you eventually get caught by one of those naughty ghosts. Luckily, with these pajamas there’s no running involved, just sweet sweet relaxation.

Prices Vary

Silver Lilly Monkey Onesie

Of course, we couldn’t have compiled this list without something fitting for all the cheeky grown ups out there, which is why we’ve included this hilarious Silver Lilly Monkey One Piece. Chill out with your favorite banana flavored snacks and milkshakes and you’re good to go.

$27.99

Nothing But Love Koala Onesie

Go to the land of down under with this ‘kute’ Koala Kigurumi from Nothing But Love. Not only does this costume have handy pockets but it also features adorable koala ears and even has a cute little tail – it’s enough to make everyone swoon and go ‘aww’ the second you walk in the room.

Prices Vary

NEWCOSPLAY Elephant Onesie

Let’s talk about the elephant in the room…ba dum tshhh. With big floppy ears, sweet rosy cheeks and of course, the long trunk, this pajama outfit is going to have any ellie fan stomping for joy. This outfit is ultra baggy and soft, making it the perfect get up for lounging in.

Prices Vary

NEWCOSPLAY Walrus Onesie

Where does a walrus go shopping? Walmart! Anyway… if you’re looking for something, uh, unique for that fancy dress party, or perhaps looking to baffle rather than scare this Halloween, then you’re on the right track – or maybe you just prefer to be a little quirky with your pajama choices.

Prices Vary

NEWCOSPLAY Giraffe Onesie

You have to agree that this Giraffe Costume is going to have your child looking like the cutest wildlife creature around. With a button-up front, this outfit is easy for quickly getting in and out of, so you needn’t worry about how they’re going to make any emergency toilet trips.

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Famycos Penguin Onesie

Waddle in style to the fancy dress party with this funny Famycos Penguin Onesie. Not only does this make a ‘flapulous’ costume for parties and Halloween, it also makes the perfect pajama set or house outfit for ‘chilling’ out in. Anyone fancy a fishy snack?

Prices Vary

Duraplast Dinosaur Hooded Onesie

Need something just as feisty as your fearless child? Then you’re going to love this Duraplast Dragon Hooded Jumpsuit. This ‘f-arrrghhh-bulous’ costume comes complete with dragon-faced hood with pointy teeth, scales going up the back, and a long swishy tail that will realistically swing from side to side as your little one runs around.

Prices Vary

Tonwhar Kigurumi Onesie

From Tonwhar is this ‘ggggrrrreat’ Green Dinosaur Kigurumi. Your mini dinos will want to wear this ultra snuggly outfit all day every day, so you may even want spares, that is unless you want them to eat you all up. You can even buy matching slippers with talons for a full dinosaur costume.

Prices Vary

NEWCOSPLAY Koala Onesie

Your kids are going to look ‘koality’ in this sweet outfit by NEWCOSPLAY. This loose fitting costume is great for moving around in freely, making it perfect for school plays, Halloween, whatever you like – while keeping them cozy and warm while doing so. Perfect.

Prices Vary

WOTOGOLD Sloth Onesie

If there’s one creature who loves to sleep all day, it’s the sloth, although us humans are probably a very close second, which is why this smiley sloth costume is the perfect lounging get-up. It features a friendly sloth face on the hood, fingers on the sleeves, and an extra cute tail.

Prices Vary

Yutown Unicorn Onesie

If your kids enjoy looking colorful (like any possibly couldn’t!) then this is for sure the one-piece for them. Girls and boys alike are going to love cozying up in these ultra funky rainbow colored unicorn pajamas – and yes, of course, they do have a magical horn!

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Underboss Soft Kigurumi Union Suit Onesie

This suit is going to send any vampire fan absolutely batty – it even features a pair of scary looking fangs – so if you are on the ‘hunt’ for a ‘bloody’ good Halloween costume, you’re in for a ‘freak’. Or it would work just as well for wearing when hanging upside down in your cave.

$28.00

NEWCOSPLAY Owl Onesie

Children are sure to have a right ‘hoot’ when wearing this super fly outfit. These fluttering PJs are sure to have your precious child soon flying into a deep sleep filled with exciting adventures about their favorite animals – warmth, comfort and a great sleep, what more could you ever ask for?

Prices Vary

Unicorn Kigurumi Onesies

Whoever said adults can’t join in on the unicorn hype? Now, with this rather majestic purple Kigurumi, you can do it in style sure to make all the other ‘too cool for school’ moms jealous – you’re the real winner since you’ll be as snug as a bug in a rug, and they won’t, ha!

Prices Vary

Silver Lilly Elephant Onesie

Those huge yet adorable floppy ears are sure to grab everyone’s attention for ALL the right reasons; you just know this wonderfully wild onesie is a must-have piece for any elephant obsessed friend (or yourself). This neat outfit is perfect for anyone, whether it be your partner or even your mom.

$24.99

Just Love Pig Onesie

From Just Love come these Pig pajamas – if you know someone who has no problems displaying their funky side, then these are most definitely the PJs for them. Not only do they have lovable heart cheeks, sweet snout, and perky polka dots but they even have a fluffy tutu, – yes, you really did read that right!

$29.99

Silver Lilly Owl One Piece

Bored of wrapping yourself in an endless amount of blankets and too-many layers in winter? Then just get yourself one of these ultra-cozy owl one-pieces instead; it will be one purchase you certainly won’t regret, plus you really will get your money’s worth as you’ll be wearing them all winter long.

$29.99

Lazy One Flapjacks Red Plaid Bear Cheeks Onesie

The only real downfall about one-pieces are having to undo them and pretty much take them off when you need a trip to the bathroom, but now all your prayers have been answered as these awesome ‘Bear Cheeks’ pajamas have their very own, very useful butt flap, yay.

Prices Vary

Rubie's Costume Co. Despicable Me 3 Minion Onesie

All-in-ones make brilliant, super quick costumes for Halloween, and if you are looking to be the friendly candy-giver-outer this time around, then you should totally go for this amazing Minion. All kids are sure to love it and burst into huge beaming smiles; after all, everybody loves these funny yellow creatures.

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Foresightrade Narwhal Unicorn Onesie

No one can resist the power of narwhals’ cuteness, so you may as well just give in and admit you want one of these ADORABLE numbers. If you are invited to a fancy-dress party, not only are you sure to win best dressed with this, but your friends can even go as matching animals, too.

Prices Vary

LEGO Batman Onesie

ALL young kids adore Batman, so if you are looking for the perfect gift for an upcoming birthday, you’ve hit the jackpot, as they love onesies even more. Better yet, why not go the extra mile and grab them the LEGO Batman Movie DVD AND these pajamas for the ultimate winning surprise?

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