For Him
2021 Collection
For Her
2021 Collection
Why choose OnesieMania?
Affordable. Comfortable. Stylish.
Specializing in Kigurumi – a unique kind of Japanese onesie – we have been on a mission to help people embrace their inner kid.
We are confident that the quality of our onesies are unmatched. You get exactly what you see when order from us. Our priority is to surpass your expectations and make sure you're 100% satisfied.
Blogs

Are Onesies Still a Must Have?
Cast your minds back to 2011, when the humble onesie-for-adults first hit the shops and started a craze that has long since struggled to burn out. Once regarded as a nightwear essential for toddlers and babies only, suddenly a much bigger onesie was on the scene and, to our surprise, being modelled as a fashion forward piece by some of the hottest celebrities of the time.

Who Wears Onesies?
If you haven’t yet spotted onesies in your part of the world, you may be wondering where all these onesie wearers are. Like most fashion trends, the onesie trend started showing up in a big way in major fashion centers like New York, Los Angeles, and Miami. Onesies also gained steam in big college towns like Austin, Madison, Ann Abor, Columbus, and Berkley. Internationally, onesies are showing up in city after city, including London, Belfast, Berlin, Toyoko, Singapore, and in many major Indian cities.

What to Wear Under Your Onesie?
If you live in a super warm climate, you can skip this part of the article. The lucky ducks who want to beat the heat in Phoenix, Honolulu, or Miami or San Juan have never had to worry about staying warm in onesies. If you’re a warm-weather onesie wearer, you can throw on a low-profile pair of underwear, and you’re good to go.