Black Shark Onesie

£39.99

  • Made from: soft fleece with a matte finish that swallows the light
  • Look: all black body, one white eye on the hood, white teeth and a red mouth lining
  • Easy on: full length zip and elasticated cuffs at the wrists and ankles
  • Occasions: Halloween, fancy dress parties, film nights, cold evenings in
  • Machine wash: easy to clean without fading
  • 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
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Size Chart

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Black Shark Onesie

Black Shark Onesie

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  • Made from: soft fleece with a matte finish that swallows the light
  • Look: all black body, one white eye on the hood, white teeth and a red mouth lining
  • Easy on: full length zip and elasticated cuffs at the wrists and ankles
  • Occasions: Halloween, fancy dress parties, film nights, cold evenings in
  • Machine wash: easy to clean without fading

One white eye gives the Women’s Black Shark Onesie its stare

Most shark outfits go blue or grey. This black shark onesie for adults goes the other way and covers everything in matte black fleece, from the hood to the ankles. The only break in the colour is the face, where a single white eye and a row of sharp teeth sit against a red mouth lining.

That contrast is what makes it work in photos. In a dim room the body disappears and the jaw floats, which is exactly the effect you want on Halloween. A zip runs the full length of the front, the cuffs stay close at the wrists, and the fleece feels soft rather than stiff.

Men’s Black Shark Onesie for the darkest outfit in the room

An adult black shark onesie earns its place by being the least predictable piece in the collection. The cut is loose through the chest and legs, the hood keeps its shape and the fabric stays warm without weighing on the shoulders.

Black is also the shade that survives a whole evening without showing anything, which makes it the practical choice as well as the dramatic one. Order it for a fancy dress party, a horror film marathon or simply a night when you want to look like the deep end of the ocean.

From the dark end of the ocean

The navy blue shark onesie keeps the same dark mood with a touch more colour. For the classic look instead, the grey shark onesie stays close to the real animal. Every model is lined up in the shark 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