Bodyflex Mesh Jockstrap from Jack Adams Underwear. With an ergonomic, body conscious fit, it's made of an extremely soft four-way stretch mesh material that wicks away moisture while showing off a provocative hint of skin. This sporty jock is designed to move with the body and also features a fly front for easy access. Made from 95% Polyester and 5% Lycra. Large Waist 33 inches to 35 inches.