Under Armour Heatgear MK-1 Breathable Athletic Shorts Black Mens Size 2XL NWT HeatGear® fabric is ultra-soft & smooth for extreme comfort with very little weight. Material wicks sweat & dries well. Anti-odor technology prevents the growth of odor-causing microbes. Mesh side panel for strategic ventilation. Encased elastic waistband with internal drawcord. Open hand pockets. Oversized wordmark graphic down side seams. No liner. Main fabric: Polyester.