Loaded with Insul Therm insulation the Wenzel Grandet 0 Rectangular Sleeping Bag, is a great cold weather choice, if you prefer the roominess of a rectangular sleeping bag design. The shell is durable 8 oz. cotton, and the lining is a cozy polycotton flannel, for added comfort. It's a great option for your camp or cabin, in all but the most extreme winter temperatures. It unzips flat, for use as a comforter, at camp or home. 6.5 lbs. of Insul Therm insulation, 9 lbs. 13 oz. total weight. Generous 81x38 rectangular size bag fits 6'2. Stuff size 19x14. Comfort rated to 0 F 18 C. 8 oz. cotton outer shell, poly cotton flannel lining. Insul Therm insulation is 100% non allergenic, high loft polyester fibers blended for durability. Loose outer construction. Velcro fastener closure tab with embroidered Wenzel logo secures zipper. Unzips fully to convert to blanket. Large, two way zipper for versatile venting. Compression straps with dust cover storage.