Ergopouch - Sleep Onesies - Winter (3.5TOG) - PebbleThe Sleep Onesie is designed to be worn on its own or with a Layer underneath for comfort. These are the perfect option for toddlers or preschoolers transitioning into a big bed, kids who kick off their blankets, or little ones who don't like the restriction of a sleeping bag. The 3. 5 TOG Sleep Onesie is perfect for cold rooms (14 21C 57 70F) Why your little one will love the Sleep Onesie TOG rated so no need for blankets Unbleached organic cotton