He'll get the most out of his workouts with the Nike Boys' Pro Combat Core Compression Short that is made of lightweight polyester and spandex for a soft feel and comfortable wear. The short features Dri-FIT fabric technology that wicks moisture away from the skin to help keep him dry during workouts. The built-in front support offers maximum performance and comfort. Nike Pro Combat jock tag. Swoosh design trademark. 4.5" inseam.