Papi Men's 3-Pack Brazilian Solid Trunk 95% Cotton, 5% Spandex Imported Hook and Eye closure Machine Wash 4 way stretch Soft touch Contour pouch Contour Pouch: provides support, lift and definition. Separation from body allows for lower scrotum temperature which might be beneficial for sperm. The U shape pouch helps everything stay in place. No more uncomfortable pulling, shaking or constantly rearranging the goods. Double lined pouch: allows for a more discreet profile and sturdier construction. Leg binding: creates a snug wrap around the leg which minimizes roll up. Tag free: No more uncomfortable pinching, scratching or harm to the skin with the heat transfer tag on waistband. Center back seem: enables a better rear fit