Need an underwear upgrade? No sweat. Constructed out of ultra light weight mesh fabric, 2(X)IST's performance ready Speed Dri Mesh Jock Strap features a streamlined microfiber waistband and an open back. Temperature regulating fabric wicks moisture away from the body for a supremely comfortable experience. Supportive contour pouch. Ultra light weight microfiber waistband. Tagless. Machine wash cold water. <br /><br />Fabric content 74% Polyester, 26% Spandex. Men size small. Waist 28 inches to 30 inches.