The Sleep Onesie is a TOG-rated sleeping bag alternative, designed to be worn on its own during sleep or with a Layer/PJs underneath for warmth and comfort. These are the perfect option for toddlers or preschoolers transitioning into a big bed, sleep walkers, kids who kick off their blankets, or little starfish who don't like the restriction of a sleeping bag. The Sleep Onesie is made from and filled with GOTS certified organic cotton that is non-toxic and gentle on irritable skin. The stretchy material allows your little one to move freely and stay comfortable for sleep. The 3-way zip confirguration is helpful for overnight nappy changes or toilet trips, and foot cuffs add extra warmth for little toes.