Bike Mens white adult swimmer jogger jock strap jockstraps underwear Athletic supporter (BASJ17) Size XL, fit waist 40-42 inches. If do not want to fit too tight, XL size will fit waist 37-39 inches. Waistband is ~1.25 inches. Vintage Style!!! Rare collections!!! Not manufactured anymore. Highest level of performance support. Moisture wicking pouch. Soft, cotton feel. Pouch: 55% Nylon; 25% Rubber; 20% cotton; Waistband: 70% Polyester; 30% rubber.Leg Elastic: 70% Polyester; 30% Rubber.