· PROTECTION – Bio-Flex Cup has a vented bio-shaped design to shield areas where protection is most crucial in the s jockstrap. The body of this core protective gear forms flawlessly to your athletic frame, providing unrestricted movet, airflow and comfort· COMFORT: Youth compression shorts position the lower third of the cup naturally between the legs, providing a close, more comfortable fit during running and moving, and while working with jockstrap underwear· PERFORMANCE: The compression shorts with a sports cup for youth is made with moisture-wicking four-way stretch fabric that moves with your body while eliminating sweat. Dual mesh cup, flatlock seams, and comfort-fit waistband for maximum ventilation and comfort· PREMIUM MATERIALS: Dual mesh cup, flatlock seams, and comfort-fit waistband keep everything in place during play. The removable Bio-Flex Cup allows for easy washing. Cup color varies by size. Suitable for jock straps underwear and Shock Doctor Cup underwear.· SIZING NOTE: Designed to fit close-fitting for optimal support. If measurets are close to the maximum size range, it is recomded to select the next size-up for comfort. Suitable for boys compression shorts, and football cups for youth boys.