DESMIIT Men's Compression Running Tights Pants 82% Polyamide+ 18%spandex Fitness tights perfect for all activities including running, biking, sports, yoga, the gym and even swimming Great for triathlons due to the versatility and flexibility . Many Styles to choose from and look great on Perfect for all weather in the Spring, Fall, Summer and even Winter Excellent flexibility and movement Because of the Asian size is about 2 size smaller than US size. Sizes available (Tag in Asian sizes): US XS (Asian Tag M), US S (Asian Tag L), US M (Asian Tag XL)