Tough, lightweight HeatGear® fabric, with all the performance benefits of UA Compression. Stretch-mesh gusset & inseam panels deliver strategic ventilation. Updated ergonomic design keeps seams off high abrasion areas & increases durability. 4-way stretch fabrication allows greater mobility in any direction. Moisture Transport System wicks sweat & dries fast. Anti-odor technology prevents the growth of odor causing microbes. Wider, 2" engineered elastic waistband. Inseam: 21"