Cedar Ridge Cobalt Springs +25 Degree Sleeping Bag Two-layer construction and zipper baffle help elimnate cold and trap in heat Outer made of 190T polyester Cozy, 100% cotton flannel liner Fully equipped with #5 separating zippers and standard stuff sack Dimensions: 33" X 78", Total Weight: 4 lbs. 12 oz., Fill Weight: 48 oz.