Under Armour men's UA HeatGear Training-3/4 Compression-Leggings gray 1272836 Imported HeatGear fabric, with all the benefits of UA Compression, comfortable enough to be worn all day. Stretch-mesh panels provide strategic ventilation. 4-way stretch fabrication allows greater mobility in any direction. Moisture Transport System wicks sweat away from the body. Anti-odor technology prevents the growth of odor causing microbes. Performance elastic waistband.