GOTS-certified muslin sleeping bag made from organic cotton ensures that babies can move comfortably and safely within it. The sleeping bag should be worn over pajamas, making unsafe blankets in the crib unnecessary. It is made from breathable organic cotton muslin, allowing air to circulate and reducing the risk of overheating. In cooler temperatures, the sleeping bag can be used with a warmer pajama. The practical inverted zipper makes diaper changes easier at night or during naptime. aden + anais sleeping bags are designed for quality and durability and are produced according to the highest ecological, social, and processing standards.