The Undercover by Saxx updates the classic cotton brief by using a cotton blend to make it super soft, breathable, and anti-stink. It features the same BallPark Pouch, Three-D Fit, and anti-roll waistband of all Saxx undies. Made from 57% cotton / 38% Modal / 5% spandex.Order Small for waists 30-32, Medium for waists 33-35, Large for waists 36-38, and X-Large for waists 39-42.