Grey Shark Onesie

£39.99

  • Fabric: thick fleece with a brushed surface that never feels scratchy
  • Style: open water grey with a white belly, jagged teeth around the hood and a fin ridge
  • Cut: roomy through the body, button front, side pockets for a phone
  • Best for: shark documentaries, fancy dress nights, cold flats, weekends in
  • Care: machine washable and easy to look after
  • 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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Grey Shark Onesie

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  • Fabric: thick fleece with a brushed surface that never feels scratchy
  • Style: open water grey with a white belly, jagged teeth around the hood and a fin ridge
  • Cut: roomy through the body, button front, side pockets for a phone
  • Best for: shark documentaries, fancy dress nights, cold flats, weekends in
  • Care: machine washable and easy to look after

A fleece the colour of open water shapes the Women’s Grey Shark Onesie

This is the shade a real shark actually wears. The grey shark onesie for adults uses a thick fleece in that exact open water tone, broken only by the white belly that runs down the front. Nothing about it is cartoonish, which is the whole point.

Saw teeth run right around the hood opening and a raised fin ridge sits along the top of the head, so the silhouette is recognisable from the back as well as the front. Buttons close the chest, side pockets swallow a phone and a remote, and the fleece keeps its loft after every wash.

Men’s Grey Shark Onesie for anyone who wants the realistic one

An adult grey shark onesie is the version to pick when you want the outfit to look like the animal rather than a toy. The fabric is noticeably thick and warm, the shoulders move freely and the hood stays up on its own while you move around the house.

Grey also hides the marks of a long evening far better than a bright colour, which matters once snacks are involved. Order it for a party, a shark themed birthday or a winter where the heating never quite keeps up.

Other sharks worth meeting

The kids grey shark onesie brings the same realistic grey to younger fans. For a bigger silhouette, the great white shark onesie adds wide side fins and a long tail. The whole line up swims together 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