The GYM 3" Old School jockstrap/athletic supporter is a classic 3" athletic supporter. The jockstrap is available in 4 colors: White, Black, Heather Grey and Royal Blue. Made with a wide 3" waistband and 1/2 inch leg straps. Composition: Pouch is 55% Nylon, 25% Rubber and 20% cotton Waistband/Legstraps: 70% Polyester and 30% Rubber. PLEASE NOTE THE FOLLOWING REGARDING SIZING: Jockstraps fit tight. If you do not want a tight fit size up based on these dimensions. Before stretching the circumference of each waistband is approximately as follows: SMALL: 24", Medium: 27", Large: 30", XL: 33", 2XL: 36", 3XL: 38", 4XL: 40".