Woods Amundsen, Minus 40-Degree Fahrenheit Sleeping Bag, Large Heavy duty 18oz cotton canvas outer fabric for durability 8 lbs. of Woods Hi-Loft Insulation with a 3 lbs removable inner bag for multi-season/temperature use Removable and Washable Fleece lining Well made duffle style storage sack Dimensions 37" X 87". Total weight 22.5lbs