Wenzel Tundra Minus 10-Degree Rectangular Hooded Sleeping Bag (Green) Shell;: 80% poly / 20% Cotton Liner Fabric: 100% Cotton flannel Insulation Type: 100% Polyester Fiber Imported Cold-weather sleeping bag with 10-degree F temperature rating Filled with 6 pounds of hypoallergenic Insul-Therm polyester Offset construction prevents shifting and eliminates cold spots Comfy plaid cotton flannel liner; large self-repairing zipper Dust cover with 2 compression straps; measures 90 x 39 inches