Neon Yellow Under Armour Heatgear Sonic Armourvent T-Shirt in Large Fitted for a streamlined fit without the tightness of compression, Sonic's HeatGear® fabric offers luxurious comfort with minimal weight. ArmourVent™ mesh panels provide real breathability in a lightweight, stretchy, quick-drying material. With 4-Way Stretch fabrication enabling enhanced mobility and shape retention, the moisture transport system wicks away sweat, while anti-odor technology combats the growth of odor-causing microbes. NWOT