About Us
Welcome to my-onesie.co.uk, your go-to shop for onesies in the UK. We do one thing and we do it fully: onesies. It’s the piece that does it all, part cosy sleepwear, part fancy dress. Adding some fun to a sleepover, turning heads at a fancy dress party, or just settling in for a lazy Sunday? We’ve got you covered.
Our favourites: our cuddly animal and magical unicorn onesies are a great snapshot of just how fun and varied our range gets.
Why Shop With Us
- Onesie specialists: onesies are all we do, so you get real know-how and real passion for the product behind every piece we sell.
- Plenty to choose from: a wide range of styles, refreshed regularly, across all our collections. Think cuddly animals, magical unicorns and lots more. There’s one out there with your name on it.
- Comfort and quality: our onesies are made for serious warmth and softness, which makes them an easy gift at any age.
- Accessories: finish the look with matching slippers and gloves for the full experience.
- We’re here for you: our customer service team is available 7 days a week, so your shopping experience stays smooth from start to finish.
- Delivery and payment: free delivery anywhere in the UK, plus secure checkout.

Our Promise
At my-onesie.co.uk, we think everyone deserves a little comfort and a little happiness in their wardrobe. Our onesies are here to add some fun and softness to your everyday, and to the moments you’ll actually remember.
Join Our Community
Welcome to the onesie club, where every piece comes with a story and a smile. Adults, kids, babies: there’s a collection here that fits your style. Give your nights in and your big celebrations a cosy upgrade today.





