Constructed with soft, durable polyester fabrics and warm PolyLoft insulation, the Cedar Ridge Alloy Sleeping Bag offers a great night's sleep. Each bag features two-layer construction to help eliminate cold spots. Additionally, each bag has a zipper baffle and chest baffle to keep your body heat inside. A convenient stuff sack is included for transport and storage.Specifications and Features:Two-layer constructionPolyLoft insulation190T polyester liner190T polyester outer#5 Separating zippersZipper and chest baffles