Aden + Anais wraps Introducing the Aden and Anais Sleeping Bags! aden + anais extra warm and cozy sleeping bags are made from the same 100% cotton muslin used for swaddling newborn babies. With six layers of waffled cotton, these quilted sleeping bags provide a layer of cushiony warmth produced from only the most natural of fibers allowing babies and toddlers to feel warm and toasty without overheating.