Under Armour Women's ColdGear Infared Crew Machine Wash Metallic ColdGear Infrared Print - Employs a soft, thermo-conductive inner coating to retain heat and provide comfortable, consistent insulation. 4-Way Stretch Fabrication - Accommodates a full range of motion, unimpeded comfort and excellent shape retention. Moisture Transport System - Wicks moisture away from the skin and onto the fabric's surface, from which it evaporates, to encourage a cooler, drier environment. Anti-Odour Technology - Eradicates odour carrying bacteria before it has a chance to spread. Soft, Stretchy Fabric - Allows the garment to breathe whilst sitting comfortably against the skin.