Zippie in CrescentDesigned for maximum sleep and cozy snuggles, our Zippie is made from breathable, silky smooth bamboo viscose. Featuring functional touches like fold over feet and mittens as well as a double zipper for easy diaper changes. Remember, this adorable Zippie can convert from a romper to a footie, two outfits in one! Please note that our Zippies are designed to be snug fit, size up if you would like a looser fit or if your little one is between sizes.