The Shock Doctor(R) Boys' Ultra Compression Shorts with Ultra Carbon Flex Cup provides excellent protection and unrestricted range of motion. Featuring an Ultra Cup Retention System and Integrated Cup Lock Pocket, these shorts keep the cup in the ideal, natural position. The supportive four-way stretch fabric wicks moisture away from the body ensuring zero distractions to your game. FEATURES: Includes 1 pair of compression shorts and 1 carbon flex cup Premium 4-way stretch material Moisture wicking fabric with chafe-free flatlock seams Vented mesh cup pocket Ultra Cup Retention System and Integrated Cup Lock Pocket with Elastic-Reinforced Hem keeps the cup secure Orbital Gel Pad around the cup conforms to the body to help prevent chafing Multi-Stage Protection transfers shock away from vital areas Model: 337 SHOCK DOCTOR BOYS' SIZING CHART: Measure the circumference of your waist Waist (in.) 19-20 = XXS; XS CUP INCLUDED Waist (in.) 20-22 = XS; XS CUP INCLUDED Waist (in.) 22-24 = S; S CUP INCLUDED Waist (in.) 24-26 = M; S CUP INCLUDED Waist (in.) 26-28 = L; S CUP INCLUDED Waist (in.) 28-30 = XL; M CUP INCLUDED