TOPTIE Boys Black Gym Shorts, Basketball Shorts, 7" Inseam JUNIOR SIZING - runs much smaller than US men's sizing. Please check our SIZE INFO in the description to get the perfect fit. If you are in men's sizing, please order one or two sizes up. Material: Polyester/Spandex. Athletic cut and superior fit. Breathable. Designed with mesh on side panels. Quick-drying fabric to wick sweat away and keep you dry and comfortable.