Single 100% cotton muslin sleeping bag. aden +anais sleeping bags are designed to be worn over a baby's pajamas, ensuring a safe night's sleep by eliminating loose crib blankets, which can be dangerous. Each sleeping bag zips from the bottom, making diaper changes easy, and a strip of muslin over the zipper by baby's face provides extra comfort. aden and anais award-winning sleeping bags are the perfect sleepwear to follow our popular swaddling blankets.

GreeneSense: Lightweight muslin permits air to circulate around the baby's body, while still providing comfort and warmth without the worry that the baby may overheat in moderate weather. Cotton muslin is also a workhorse fabric, in that wraps woven from this natural fiber stands up to repeated washings only becoming softer -- and better -- with age.