Under Armour Women's ColdGear Infrared Tactical Mock Polyester Dual-layer EVO ColdGear construction combines a smooth, fast-drying exterior with a brushed, heat-trapping interior ColdGear Infrared uses a soft, thermo-conductive inner coating to absorb and retain your own body heat Signature Moisture Transport System wicks sweat to keep you dry and light Lightweight, 4-way stretch construction improves mobility and maintains shape Anti-microbial technology fights odors to keep your gear fresher, longer