Longer distances and faster runs start with incredible comfort, perfect stretch, and a lightweight feel. That's what you get with UA Streaker. It basically feels like you're wearing nothing. UA Microthread fabric dries faster, won't cling to you, won't chafe & stretches without absorbing sweat Material wicks sweat & dries really fast Anti-odor technology prevents the growth of odor-causing microbes Shaped hem Style #: 1370339 93% Polyester/7% Elastarell Imported Fitted: Streamlined fit that’s not too tight or too loose. Machine wash cold with like colors Do not bleach Tumble dry low Do not iron Do not use softeners Do not dry clean