The Shock Doctor(R) Men's Ultra Boxer Brief with Ultra Carbon Flex Cup is designed to provide a snug fit and offer unrestricted range of motion for athletes craving maximum comfort. These boxer length compression shorts feature an Ultra Cup Retention System along with an Integrated Cup Lock Pocket to help keep the cup secure. The supportive four-way stretch fabric wicks moisture away from the body ensuring zero distractions to your game. FEATURES: Includes 1 pair of boxer length compression shorts and 1 carbon flex cup Premium 4-way stretch material Moisture wicking fabric with chafe-free flatlock seams Vented mesh cup pocket Boxer length inseam 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: 335 SHOCK DOCTOR MEN'S SIZING CHART: Measure the circumference of your waist Waist (in.) 28-30 = XS; M CUP INCLUDED Waist (in.) 30-32 = S; L CUP INCLUDED Waist (in.) 32-34 = M; L CUP INCLUDED Waist (in.) 34-36 = L; L CUP INCLUDED Waist (in.) 36-39 = XL; L CUP INCLUDED Waist (in.) 39-43 = XXL; L CUP INCLUDED Waist (in.) 43-46 = XXXL; L CUP INCLUDED