Luxurious stretch viscose made from natural fibers for a fabric thats lighter weight, breathable, wicks moisture and is ultra soft. Soft, light-weight materials are naturally moisture wicking and breathable. Made from a Viscose based yarn that keeps men cool and dry. The best selling Saxx line. Looking for a shorter BRIEFLove your tighty whiteys ? Youll like these even better. Great fit + Great fabric + SAXX = Awesome! Fabric Content: 95% Viscose, 5% Spandex.