Constructed with supportive four-way stretch anti-microbial fabric that wicks moisture away from the skin and provides warmth right down to the ankles. * X-FIT integrates a wraparound external supporter for unparalleled comfort and fit * Full-Length Coverage with an inside cup pocket, comfort fit waistband and Velcro tabs to secure socks in place * BioFlex Cup unique, vented body with integrated gel perimeter pad for unrestricted movement and improved comfort * Please note: Jocks and underwear are not returnable/exchangeable for any reasons except for shipper error.