Under Armour Heatgear Sonic Compression Tights - Men's Keep yourself cool and fresh when things begin to heat up. The Under Armour HeatGear Sonic Compression Legging has 4-way stretch fabrication to allow greater mobility, while the Signature Moisture Transport System wicks sweat away from the body. Anti-odor technology prevents the growth of odor-causing microbes. Jacquard performance waistband. HeatGearŪ works best in weather between 75-100 degrees. 84% polyester/16% elastane. Imported.