Size: Rifleman Sleeping bag size is 84.6 31.5inch, Compression bag is 22.815.7inch. It contains two sleeping bags (GM/GT sleeping bag) which can be used alone or combined into a sleeping bag system. MUMMY Style: This Rifleman sleeping bag system comes shaped like a mummy where the sides taper & narrows as you come from the top to the bottom side & helps conserve heat keeping your body warm. The outer fabric is made of Water-resistant and scratch-resistant high-strength nylon surface, thickened nylon tightening belt. Filling: Polarguard HV High-grade military filling material, high fluffy, compression resistant. The GT sleeping bag equipped with a roll away mosquito net that can be zipped over the face, offering access to fresh air and protection from insects and snakes without obstructing vision. The sleeping bag system contains two sleeping bags (GM/GT sleeping bag) which can be used alone or combined into a sleeping bag system. 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.