Under Armour 2015 ColdGear Infrared Wintersweet Mens Storm Golf Beanie Winter Hat ColdGear Infrared technology uses a soft, thermo-conductive inner coating to absorb & retain your own body heat. Dual-layer fabric with an ultra-warm, sherpa interior & a durable exterior. 100% Polyester. Imported. UA Golf wordmark on the back. UA Storm gear uses a DWR finish to repel water without sacrificing breathability.