Get maximum protection and comfort from the Shock Doc BioFlex Cup. This protective cup uses a vented, Bio-Shape body, that allows for airflow as it protects your most vital area. A gel perimeter pad allows for unrestricted movement and improved comfort. Don't get caught without the Shock Doc BioFlex Cup. Sizing: Adult (age 15 and over), Teen (age 10-14), Youth (age 9 and under).