Genuine Government issue. Army tested and issued as part of the Military's Extreme Cold Weather System. Thick 100% polypropylene is lightweight, warm as wool and as soft as cotton. It wicks away moisture from the skin so you remain warm and dry even during heavy exertion. Top has a double layer zip-up neck placket, turtleneck collar and knit cuffs. Bottoms (sold separately) have knit cuffs and elastic waist. Condition: New.