Eureka! Kiewa 40-Degree Long Length Semi-Rectangular Mummy Sleeping Bag, Summer Season, Dark Aqua Green Tapered rectangular sleeping bag with a 40-degree F temperature rating packs down to a super-small size to easily travel with you anywhere. Eureka! Synthesis technical insulation blends synthetic fibers to optimize thermal performance while remaining ultra soft and ultra-compressible for easy packing. Comfortable, warm-to-touch peached polyester lining fabric combines with a full-length, insulated zipper draft tube with anti-snag guard to defend against the cold. Low-profile 3-D footboy delivers plenty of room to move around; an Internal pocket keeps valuables within easy reach. Long-length sleeping bag fits sleepers up to 6 feet, 6 inches, weighs 2 pounds, 9 ounces, and packs down to 8 by 17 inches in the included stuff sack. Backed by a manufacturer's limited lifetime .