These USGI black overalls are made from high quality Polartec 200 polyester, a high performance fleece designed to keep you warm and comfortable in cold weather. The overalls feature adjustable shoulder straps for a customizable fit and zippers up the front and all the way down both sides for easy wear. These soft, lightweight overalls are provide insulation and dry quickly. Perfect for layering in extreme conditions and the perfect addition to your winter wardrobe.