Who says it is not easy being green? Male Power has gone Eco-friendly with its wild new Bamboo Collection. The Bamboo Sport Jock Strap is smooth, soft and luxurious. The breathable fiber wicks away moisture, keeping you dry and comfortable. This sport jock has thermo control built in for warm and cold climates. Also these are ideal for sensitive or allergy prone skin as they are antibacterial. Color Black. Men sizes small to medium, S/M. Waist 28 inches to 34 inches.