The Shark Onesie — two-tone grey fleece shark onesie for adults, front view
The Shark Onesie — grey and cream fleece shark onesie costume for adults
The Shark Onesie — grey and cream fleece shark onesie costume for adults
The Shark Onesie worn with a friend — matching shark onesies for couples and groups
The Shark Onesie worn with a friend — matching shark onesies for couples and groups
The Shark Onesie worn with a friend — matching shark onesies for couples and groups

The Shark Onesie

$59.99

Free shippingMix sizes

Sizes run small — pick by height, or open the size guide.

Sizes run small — pick by height, not the letter.

  • M — 4'11″–5'3″ (150–160cm) · 88–132 lb
  • L — 5'3″–5'7″ (160–170cm) · 110–154 lb
  • XL — 5'5″–5'9″ (165–175cm) · 132–176 lb
  • 2XL — 5'9″–6'1″ (175–185cm) · 154–198 lb

Between sizes? Size up.

Arrives in 7–14 days · 30-day returns
Description

Grey on top, cream underneath, with an open-jaw hood that sits over your face when you want it to and pushes back when you don't.

The longest reach in the range — it fits up to 6′1″.

Fit & fabric

Note the letters differ from our other onesies — go by height.

  • M — 4′11″–5′3″ (150–160cm) · 88–132 lb
  • L — 5′3″–5′7″ (160–170cm) · 110–154 lb
  • XL — 5′5″–5′9″ (165–175cm) · 132–176 lb
  • 2XL — 5′9″–6′1″ (175–185cm) · 154–198 lb

Between sizes? Size up.

Care

Machine wash cold, inside out, gentle cycle. Tumble dry low or hang it up. No bleach, no ironing — it's fleece, it will not forgive you.

Wash it with soft things. Zips and velcro will pill it.

Shipping & returns

Free US shipping on orders over $60. Orders typically arrive within 7–14 days, with tracking from the moment they ship.

30 days to decide. Send it back within 30 days of delivery — no forms, no interrogation, no hard feelings.

in the wild

See it on.

The Shark Onesie worn with a friend — matching shark onesies for couples and groups
The Shark Onesie worn with a friend — matching shark onesies for couples and groups
The Shark Onesie worn with a friend — matching shark onesies for couples and groups

The people have spoken. Mostly in caps.
More monsters

There are others.

See the whole lot →
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