Ideal for athletes of all ages and abilities, the BioFlex Cup protects all the vital areas with a vented bio-shaped design, offering a comfortable fit and superior protection. Vented bio-shape body protects vita areas and promotes airflow. Gel perimeter pad allows for unrestricted movement and improved comfort. Age: X Small: 7- Small: 9- Medium: 14 – Large: 15+ XL: 15+