Under Armour Men's CoolSwitch Run Shorts 86% Polyester, 14% Elastane Imported UA CoolSwitch brief uses an exclusive coating on the inside that pulls heat away from your skin, so you actually feel cooler 4-way stretch construction moves better in every direction Material wicks sweat & dries really fast Anti-odor technology prevents the growth of odor-causing microbes Partially-covered Elastic waistband with internal drawcord