Bamboo Sleep Sack 1.0 TOG | Blue FlowersLonger stretches of sleep start here. When your baby sleeps comfortably, you sleep better too. This bamboo sleep sack keeps them at the perfect temperature all nightno overheating, no cold wake ups. Why bamboo beats cotton or fleece: Temperature regulatingadapts to their body heat Hypoallergenicgentle on sensitive or eczema prone skin Buttery soft texture Breathable weave prevents overheating