ALPS Mountaineering Blue Springs +20 Degree Sleeping Bag polyester nylon Imported Made With Ultra Lightweight Micro X+ Insulation Two Layer Construction Provides Increased Warmth And Durability Ripstop Top Fabric With Insulated Zipper Baffle Standard Stuff Sack Is Included, #8 Separating Zippers Long Dimensions: 34x86", Weight: 3.69 lbs.