McDavid mens white athletic supporter swim run Jock strap Jockstraps underwear Pack ( 2 jock straps in the package) (3133) size S (fit waist 28-30 inches) Size M, fit waist 30-34 inches; Size L, fit waist 34-38 inches;Size XL, fit waist 38-42 inches.Size 2XL, fit waist 42-46 inches. There are Two jock straps in the package. Body defining fit. McDavid's high-quality swimmer jockstraps are designed to be worn under swim trunks or for jogging and running. They feature a comfortable, knit support pouch made of quick-drying material that stretches four ways for perfect support. The 1-inch wide waistbands are decorated with a single black racing stripe. A brief, sleek jock for the gym or under swim suits, this two in one pack of swimmer jocks offers a classic fit and comfortable support.70% Poly / 30% Latex. Machine Wash. Tumble Dry Low. Do Not Bleach. Do Not dry Clean.