About This Size: From 221x90cm (width) to 221x58cm (narrow). Part of MODULAR SLEEP SYSTEM: The Intermediate mummy sleeping bag can be used in conjunction with sleeping system other parts or separately. Intermediate sleeping bag Filling: Polarguard HV High-grade military filling material, high fluffy, compression resistant. The shell is nylon. Even if wet, it has a certain thermal insulation performance. Temperature scale: Comfortable temperature recommended-15-0 degrees; with patrol sleeping bag+ bivy cover together Use, can reach -40 degrees, comfortable temperature recommended -30 to -20. Comfort: Double-sided heavy-duty YKK zipper is strong and durable. Soft lining, zipper and shoulder draft tubes keep the warm air in; it unzips on one side and the bottom for easy access. Overview Brand : MT Color : Black Occupancy : 1 Person Shape : Mummy Seasons : 3 Seasons Age Range (Description) : Adult Sport : Climbing Material : Nylon, Synthetic Fill Material : Synthetic Product Dimensions : 87"L x 35"W