Workout Clothes: YMX MadKool Core Long Sleeve T Shirt 88 Polyester/12% Spandex Designed in New York and made of YMX's Lightweight MadKool Jersey 92% Polyester/8% Spandex High-performance moisture-wicking helps regulate your body temperature Permanent moisture-wicking, and sun-protection UPF 30+ will never wash out Easy care machine wash & dry; does not retain odor