C-IN2 Men's Zen Jock 59% Cotton, 39% Rayon, 2% Elastane Imported Machine Wash The microfiber waistband and leg bindings are custom tailored to provide perfect tension levels to ensure that the underwear stays in place Just when you thought the Zen jock by C-IN2 couldn't get any better, they had to go and make it better This cool and perfect fitting jock is made of a breathable, mesh blend of cotton and rayon, try yours on today