The Vibe boxer is Saxx's best selling underwear style. It's slim-fitting for smooth layering, made from a moisture-wicking viscose material for all day comfort, and comes in lots of prints. All Saxx undergarments feature their trademark BallPark pouch. 95% viscose / 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.