For enhanced performance and efficiency, add the Under Armour Men's ColdGear Infrared Armour Compression Leggings. ColdGear Infrared gear uses a thermo-conductive lining and a fast-drying exterior to provide ultimate protection from the elements. Stretch-mesh panels deliver superior mobility and breathability. With a true compression fit, the UA ColdGear Infrared Leggings help you take your workout to the next level.