95% Cotton 5% Spandex, make you feel free all day, machine wash Note: We received few feedbacks from customers that they fit too small, please choose one size bigger than you usually wear. Sorry for the inconvenience caused 95% cotton with premium, soft wide logoed mercerized waistband (1.9") brings an elegant metallic highlight to these cotton jockstraps without binding and pinching The front pouch is better to keep cool, lower temperature is benefit for male health. At same time, keep your assets well-supported while still presenting a very masculine profile Fit for any man for daily wearing ,specially for playing sports or performing other strenuous activities like running, doing aerobic execises, cycling, etc.