Under Armour Men's UA Coldgear Infared Storm Fleece Beanie-Green Shell: 100% Acrylic; Lining: 87% Polyester / 13% Elastane A soft thermo-conductive coating on the inner layer of your gear absorbs and retains your own body heat. UA Storm fleece construction is wind and water resistant Coldgear infrared liner keeps you warmer longer, Onsize Machine Wash, Imported