Clown Onesie

£39.99

  • Made from: soft flannel with a light sheen, half red and half black
  • Look: split colour body, yellow zigzag collar, jester hood with one red and one black horn, yellow cuffs
  • Cut: relaxed one-piece shape, front zip, long sleeves, attached hood
  • Occasions: Halloween, carnival, fancy dress parties, costume competitions, ghost walks
  • Care: machine washable, red and black stay bold
  • Ultra-soft fabric | Warm and comfortable
  • Pyjamas and costume | Two in one
  • Any occasion | Bedtime, parties, film nights
  • Gift-ready | One they’ll actually wear
In stock, dispatched within 1-2 working days
Size Chart

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Complete your look

Clown Onesie

Clown Onesie

£39.99

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  • Made from: soft flannel with a light sheen, half red and half black
  • Look: split colour body, yellow zigzag collar, jester hood with one red and one black horn, yellow cuffs
  • Cut: relaxed one-piece shape, front zip, long sleeves, attached hood
  • Occasions: Halloween, carnival, fancy dress parties, costume competitions, ghost walks
  • Care: machine washable, red and black stay bold

When a Women’s Clown Onesie enters, the carnival begins

The big top goes dark, a single spotlight snaps on, and a figure in two colours steps into the ring. Is it a prank or a threat? With a jester, nobody ever knows. This clown onesie for adults splits straight down the middle, one half scarlet and one half black, in flannel that catches the light. A jagged yellow collar frames the neck, and the hood rises into two curved horns, one for each colour, like a harlequin from an old pack of cards.

Mischief has a new uniform with the Men’s Clown Onesie

The adult clown onesie plays both sides of Halloween, funny at the door and unsettling in the hallway. The flannel kigurumi stays warm on a ghost walk, the zip closes quickly, and yellow cuffs finish the sleeves with a flash of colour. Circus nights, carnival parades and fancy dress competitions all bow to the jester. One horn droops, the other stands tall, and the whole silhouette changes with every tilt of the head. Deal yourself this wild card today, and keep the whole party guessing until the last laugh.

Fellow troublemakers

The kids clown onesie hands the same two-tone trick to a little joker. The devil onesie brings horns of another kind for a wicked duo. Every scare of the season gathers in the Halloween onesies collection.

Frequently Asked Questions

They’re made to keep you warm on the sofa through autumn and winter, so yes, they’re cosy. The relaxed fit lets air move around, though, so you won’t get that stuffy feeling you get from tight pyjamas.
Machine wash at 30°C on a gentle cycle. Turn them inside out and pop them in a mesh laundry bag to protect the hood. Skip the tumble dryer and the iron. They air-dry quickly and fluff right back up on their own.
Yes, every onesie we sell is unisex. The roomy cut works for men and women alike, our kids’ styles fit girls and boys just the same, and our baby sizes are cut the same way for everyone. Just check the size chart to find your fit.
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Adult size chart (measurements in cm)

SIZEHEIGHTCHESTSHOULDER WIDTHSLEEVE LENGTHONESIE LENGTH (EXCLUDING HOOD)
S144 - 1531164650127 - 130
M154 - 1631204853137 - 140
L164 - 1731245056147 - 150
XL174 - 1831285259157 - 160