Zip up the WindWall 1 Jacket to defend yourself against blustery weather or layer it under a shell when you really need to batten down the hatches. WindWall wind-resistant fleece utilizes a unique fabric-bonding process that greatly reduces external air permeability. Windproof rating: 14 CFM (0 CFM is 100% windproof). Stand collar for additional warmth and wind protection. Full-zip front closure with internal wind flap. Two zip hand pockets. Adjustable drawcord hem. Body Lining: 100% polyester. Machine wash warm, tumble dry low. Imported.