Need an underwear upgrade? No sweat. Constructed out of ultra-lightweight 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-lightweight microfiber waistband. Tagless. Machine wash cold. Fabric 74% Polyester / 26% Spandex.