95% Rayon made from Bamboo 5% Spandex SUPER SOFT & COMFORTABLE NON BINDING FIT: Bamboo Sports Men’s Boxer Briefs are made out of super soft bamboo rayon fabric. Their soft texture prevents any rubbing or chafing so that you stay comfortable all day no matter what activity you are doing. These boxer briefs have a super comfortable fit with a functional front fly and pouch that is non binding and has enough stretch for comfort while still keeping everything in place. These boxer briefs are tagless for additional comfort. (4 Inches inseam Length) PREVENTS CHAFING & RIDING UP: Bamboo Sports boxer briefs are so soft that you will have absolutely zero chafing allowing you to do any activity without irritation or discomfort.