The Ascend Elixir 10 Rectangular Sleeping Bag ensures youll have a warm, comfy night on the trail, with 3 lbs. of Thermolite Extra synthetic insulation delivering a comfort rating of 10F. Boasts a full-length draft tube that locks in heat and dependable zippers with locking sliders. The rectangular bag sleeps an adult comfortably with plenty of foot room. And when you hit the trail, this insulated sleeping bag stores in its own compression sack. The Ascend Elixir 10 Rectangular Sleeping Bag is a 3-season bag thats ideal for moderate to cold conditions. Shell is polyester ripstop. Lining is polyester taffeta. Imported. Weight: 5 lbs. 2 oz. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Rectangle Sleeping Bags.