Shock Doctor Men's 225 Ultra Compression Short with Carbon Flex Cup (Black, Large) Core level compression shorts gain the benefit of the new core X-Pocket design for improved cup position and comfort as compared to traditional compression short cup pocket. Constructed with supportive four way stretch, fabric that wicks moisture away from the skin. Flatlock seams, vented mesh cup pocket and comfort-fit waistband. Package: Clamshell. ULTRA CARBON FLEX CUP Patented advanced multi-stage impact protection transfers shock away from vital areas while flex curve design and orbital gel pad maximizes comfort and fit ULTRA X-FIT CUP RETENTION SYSTEM integrated internal X-Pocket with dual X-Strap system secures the lower third of the bio-shaped cup pocket in a more natural position for closer cup fit during a wider range of motion when running, skating or crouching. U ULTRA X-FIT CUP RETENTION SYSTEM integrated internal X-Pocket with dual X-Strap system secures the lower third of the bio-shaped cup pocket in a more natural position for closer cup fit during a wider range of motion when running, skating or crouching. U