10 Coolest Adult Onesies Of 2021

November 13, 2018

In the cold winter months, there's nothing better than curling up on your couch in a onesie with a hot chocolate. You probably didn't think you'd ever want to put on a one piece pajama suit in your adult life, but trust us when we say you are missing out.  

Our onesies are super soft, comfortable and warm. Zip up into a heavenly experience, plus our designs are the most vibrant you will ever find. 

When festival season rolls back around, you will be ready for all the onesie-themed parties. Our colorful and unique onesies are are perfect for that onesie bar crawl or the chilly nights at Electric Forest. 

Adult onesies are a fashion trend we can't get enough of which is why we decided to dedicate an entire website with the most epic onesies in the world. 

Here are the top 10 hottest adult onesies of 2019. 


10. Lion Color Onesie

This watercolor style onesie is an enlarged work of art that will never fade because of our sublimation printing technique. Stand out in this vibrant design that is printed from front to back with color splashes. 



9. Neon Flamingos Onesie 

Take me back to the summer months! This Neon Flamingo Onesie features tropical summertime favorites: watermelon and flamingos. It doesn't get much better than that. 



8. Lion Galaxy Onesie 

This cool Lion Galaxy Onesie is perfect for you leos and lion hearts out there hibernating the winter away. The dream catcher is there to take away all your bad dreams as you drift off into a dreamstate galaxy. 



7. Vapor Onesie 

Floral prints have been a popular trend of 2018 that doesn't have to die out in the winter. Remind yourself of those blooming days ahead with this Vapor Onesie featuring a beautiful flower print. 



6. USA Flag Onesie 

Handcrafted in the USA, we are proud to say this onesie is American. Celebrate our wonderful country with this super soft adult onesie. 



5. Suger Skull Onesie

This design features a suger skull, a is symbol of Dia De Los Muertos, which represents honoring death and those who have passed. This artistic design is one of our most popular for its vibrance. 



4. Dream Waves Onesie 

Make waves in this majestic pattern of clouds and smoke with vibrant beams of purples and blues. The cool colored hues of this design makes it stand out as one of our favorites. 



3. Fire And Ice Onesie 

This onesie design features polar opposites of 2 elements: fire and ice. It's like summer versus winter. This fierce wolf design is a favorite. 



2. Beautiful Core Onesie 

This galaxy design is printed all over as a deep space black hole. The colors are incredible. This space themed onesie will be a festival outfit favorite. Throw it on and dance into outer space. 



1. Elmo Onesie 

Tickle me Elmo is a 90s kid favorite. We all loved Sesame Street and Elmo was the classic favorite character. I mean who couldn't love this furry red adorable monster?!


Don't see your new perfect onesie yet? Be sure to check out more styles HERE. Onesielife is here to give you the dopest designs in the world with new styles all time time!

Join the ONESIE LIFE with the more comfortable and versatile styles in the world! 


Check out how they are made below: