展开Introducing (X) for superior performance. Life can feel like an extreme sport and so can finding the perfect pair of underwear that's why created the (X) line. Need an underwear upgrade times 3? No sweat. Constructed in ultra-lightweight, breathable mesh fabric, (X) Sport Mesh is performance-ready. Featuring a streamlined microfiber waistband and a clean turn back hem. Temperature-regulating fabric wicks moisture away from the body for a supremely comfortable experience.