The Cozy Onesie
Ultra-soft plush character onesie with a 3D hood. Mix adult and kids sizes in any bundle.
Find your size (adults & kids)Usually wear Small? Choose Medium+
Our sizing runs one size smaller than usual. Medium fits like a standard Small, Large like a Medium, and so on. Usually wear a Small? Choose Medium. Between sizes on the chart? Choose by weight.
Adults
Kids: relaxed, roomy fit. Between sizes? Choose the larger one.
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The Cozy Onesie – Voksne & barn
Loved by thousands of cosy homes
Real customers, real evenings. This is what The Cozy Onesie looks like at home.
Like wearing your favourite blanket
Thick, ultra-soft plush fleece that stays warm on the coldest evenings, with a relaxed, roomy cut that never feels tight.
- Ultra-soft plush fleece
- Hidden zip, easy on and off
- Machine washable
A character everyone smiles at
The oversized 3D hood with big eyes, plush lips and shaggy hair turns any night in into a moment. And yes, there's a matching face pocket.
- 3D character hood and face pocket
- 7 colours for adults, 5 for kids
- Free giant comb to keep it fluffy
Matching sets for grown-ups and kids
Adult sizes M–4XL and kids sizes 2–15 years, all on this page. Mix any sizes in a bundle and save up to 25%.
- Mix adult and kids sizes in one bundle
- Perfect for Christmas morning photos
- One order, one delivery
Find your perfect size
Getting the size right matters. Here's everything you need.
Adults (M–4XL)
Our sizing runs one size small. Medium fits like a standard Small, Large like a Medium, and so on. If your height and weight suggest different sizes, choose by weight.
Kids (2–15 years)
Kids onesies are cut generously for comfort. Between sizes? Choose the larger one, and they'll get more wear out of it.
Not just another onesie
Here's what you get with The Cozy Onesie.
| The Cozy Onesie | Typical onesie | |
|---|---|---|
| 3D character hood + face pocket | ✓ | ✕ |
| Thick ultra-soft plush fleece | ✓ | Thin |
| Adult and kids sizes in one order | ✓ | ✕ |
| Free giant comb | ✓ | ✕ |
| Free tracked shipping | ✓ | Often extra |
| 30-day money-back guarantee | ✓ | Varies |
The present they'll actually wear
It gets an instant laugh on Christmas morning, then gets worn every single night after.
- Dispatched within 1–2 business days
- Free tracked shipping worldwide
- 30-day money-back guarantee
Questions? We've got you
Will it arrive before Christmas?
Can I mix adult and kids sizes in a bundle?
Which size should I choose?
What if it doesn't fit or I don't love it?
How do I wash it?
How can I pay?
Ready for the cosiest night in?
Free tracked shipping · 30-day guarantee · Free giant comb