• nylon
• MT Military Army Modular Sleeping Bag System(4-Piece) Assembly Includes Patrol Sleeping Bag, Intermediate Sleeping Bag, Bivy Cover and Stuff Sack. Mummy Style. A variety of combinations to meet the survival environment from 30 degrees above zero to 40 degrees below zero. It is made of Water-resistant and scratch-resistant high-strength nylon surface, thickened nylon tightening belt. Filling: Polarauard HV High-grade military filling material, high fluffy, compression resistant.
• MT Bivy Cover Fabric Using 3 laminating glue,Waterproof and breathable fabric,and wind-resistant fully seam pressed. The outer layer is made of nylon water-repellent, scratch-resistant and tear-resistant material. Size: 86.6x35.4x28inch. It is in Army Woodland Camouflage Color.
• Patrol/Recon sleeping bag using Nylon Ripstop and High-grade military filling material,high fluffy,compression resistant. Double-sided heavy-duty YKK zipper is strong and durable.Heat-treated seams ensure water and moisture resistance.Head Velcro for easy opening and closing of the top cover. The comfortable temperature is recommended to be 5-15 degrees;extremely low temperature -1 degree. Size: from 91.7x37in (width) to 91.7x24cm (narrow)
• Intermediate sleeping bag Filling:Polarguard HV High-grade military filling material, high fluffy,compression resistant. Even if wet, it has a certain thermal insulation performance Temperature scale:comfortable temperature recommended-15-0 degrees; with patrol sleeping bag camping bag together Use,can reach -40 degrees,comfortable temperature recommended -30 to -20. Size: from 87x35.4in (width) to 87x22.8in (narrow)
• The large Stuff Sack is made of waterproof Nylon and it can hold both the Patrol sleeping bag and the Intermediate cold weather sleeping bag as well as the Bivy Cover.
• MT Military Modular sleeping bag system = summer thin sleeping bag jacket spring Autumn sleeping bag winter low temperature sleeping bag winter or high mountain sleeping bag. It Can be used in conjunction with each other or separately . A variety of combinations, to meet the environment from 30 degrees above zero to 40 degrees below zero, the real set of sleeping bag system on the market almost meets all Use in the environment.