- The legend is back! The limited edition of the most wanted Jockstrap. Get yourself this vintage item before these are gone forever! Professional quality adult supporter with a three inch crochet waistband and comfortable knit pouch providing unbeatable support. Pouch: 55% Nylon, 25% Rubber, 20% Cotton. Waistband: Polyester and Rubber. Please note the stock is a combination of mostly vintage throwback edition and some original versions prior to that.