Under Armour ColdGear Infrared Tech Fleece Full Zip Hoody - Men39;s Constructed of 100% polyester UA Tech Fleece fabric. UA Tech Fleece fabric uses a textured interior, providing unrivaled warmth for the weight. ColdGear Infrared uses a soft, thermo-conductive inner coating to absorb and retain your own body heat. Signature Moisture Transport System wicks sweat away from the body. Zip hand pockets with left side internal headphone escape.