The Boxer Briefs are especially developed for active use and sports. Designed for your comfort with TBô's premium Bamboo Viscose. Energetic design combined with stronger support through a bold waistband. And perfect feel with a back label for a seamless experience all around the waist.. Details4 inch inseam that stays put. Material. 95% Bamboo Viscose & 5% Spandex. Fast Shipping in the USA (delivery 3-7 days)