Unique, vented body with integrated Gel Perimeter Pad allows for unrestricted movement and improved comfort Youth cup is for Boy's Small & Medium undergarments Teen cup is for Boy's Large & X-Large undergarments Adult cup is for all Men's undergarments *Please note: Undergarments are not returnable/exchangeable for any reasons. Shock Doctor BioFlex Cup, Adult X-Large, Navy MS1069304 MS1069304 733313014999