UA Storm1 technology repels water without compromising breathability. ColdGear Infrared technology uses a soft, thermally conductive inner layer that absorbs and retains your body heat. Strategic synthetic insulation (180g body / 140g sleeve) gives you extra warmth where you need it most. The insulation is lightweight, waterproof and, most importantly, breathable. The lightweight fabric provides excellent comfort and durability. Higher neck design for more coverage and heat retention. Secure zippered pockets and small items. Extended hem with adjustable drawstring for better coverage. Under Armour logo on the front. Material: Nylon.