Propper's Gen III ECWCS Fleece Liner is sewn to military specifications and can be worn with several outerwear parkas used by the military. Constructed with lightweight and durable Polartec Thermal Pro fabric, the liner effectively retains body heat with little bulk. Stretch-grid fleece side panels add comfort and breathability. Features include nylon reinforcements at the collar, shoulders and elbows, two hand-warmer pockets, two internal chest pockets and raglan sleeves for better range of motion. Features: Sewn to military specification GL/PD-06-03; Polartec Thermal Pro fabric is 30 times more durable than traditional fleece; Nylon reinforcements at the collar, shoulders and elbows; Fade and shrink resistant; Two hand-warmer pock pockets.