The GYM 2" Old School jockstrap is a classic 2" wide band athletic supporter. Made with a 2" wide waistband and 1/2 leg straps. Made of a breathable mesh fabric material. The waistband material on the Black color is stretchier than the white color and stretches very easily. Do not size up in that color. Composition: Pouch is 73% Nylon, 12% Rubber, and 15% cotton. Brand new. Purchased at local Palm Springs shop. GYM size chart for reference.