KYTE Baby Original Bamboo Sleep Bag — The one that started it all. Our most-loved, best-selling sleep bag. A wearable blanket that helps baby fall asleep (and stay asleep), so you’re not up all night. Designed to be safe sleep, diaper change friendly, temperature-regulating, and so soft you’ll have to touch it to believe it. The 1.0 TOG sleep sack is a middleweight option for a nursery with mid-range temperatures between 69-73º F. Size Small (14-20 lbs) Exterior: 97% Bamboo Rayon, 3% Spandex Filling: 100% Polyester Highly breathable J-shaped double zipper