Originally these were the BIKE adult supporters intended for baseball, martial arts, hockey and other high impact sports, but mainly hugely popular as underwear in the fetish scene. BIKE, being a sports company, decided to discontinue them. MM, who has taken over production, has kept them identical - if you're looking for BIKE jocks, these are the jocks to go for now! These jockstraps are so loved because they push your butt up and they make your crotch like a package begging to be unpacked… Great party gear for an underwear party! With 5 cm (2 inch) elastic waistband. Brief: 95% Cotton, 5% Lycra Elastan. Cup Pouch: 100% Polyester. Available in black / blue / yellow / red and white. Sizes S (28-30 inch) / M (30-32 inch) / L (32-34 inch) / XL (34-36 inch).