PRODUCT DNA Compression: Ultra-tight, second-skin fit for a locked-in feel. UA CoolSwitch brief uses an exclusive coating on the inside that pulls heat away from your skin, so you actually feel cooler Tough, lightweight HeatGear® fabric, with all the performance benefits of UA Compression Built-in brief for added support 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