Under Armour Men's CoolSwitch Run Shorts 100% Polyester Imported Breathable mesh body fabric is ultra-durable & delivers superior ventilation UA CoolSwitch brief uses an exclusive coating on the inside that pulls heat away from your skin, so you actually feel cooler Material wicks sweat & dries really fast Anti-odor technology prevents the growth of odor-causing microbes Partially-covered elastic waistband with internal drawcord