Sewn to Mil-Spec standards, the U.S. Patriot Tactical Army ECWCS Gen III Polartec Fleece is made from 100% polyester fleece to keep you warm and comfortable both on and off the battlefield. This level III jacket features a high collar and raglan sleeves that fit comfortably beneath heavy plate carriers and tactical vests. With a full zip front and internal chest pockets for ID and other essential items, this ECWCS jacket can be worn as a standalone garment or in combination with heavier winter gear.