Mens Compression Tights Under Base Layer Tight Running Skin Leggings Pants B21 92% Polyester/8% Spandex The light and thin fabric gives more flexibility and comfortability and it keeps you cool and dry during workout. UVA/UVB Protection - NovaLava compressoin products protect your skin from UVA/UVB radiation during your outdoor workout Suitable for various kinds of sports: Running, Cycling, Fitness & Yoga, Football, Gymnastics, Martial Arts & MMA, and Soccer For acurate sizing, please see the size chart in the product image. Please note that this range of compression products has a tight fit. For a less tight fit, please select the next size up. Made in Korea. 92% Polyester and 8% Spandex. Machine Washable.