The Bamboro Long Boxer Brief gives you the same easy comfort with a longer leg. The extended cut sits mid-thigh and stops ride-up and chafing under jeans, chinos or activewear, in bamboo viscose that feels like a second skin. So comfortable you almost forget you have them on. Why it works Long-leg fit.The extended leg sits mid-thigh and stays put, so there is no ride-up and no rubbing on the move. 3D contour pouch.An anatomical front panel gives natural support without squeezing, so you can move all day. Wide flat waistband.It sits flat against the skin, never digs in and never rolls down. Silky bamboo that stays dry.Bamboo viscose feels softer than cotton and draws moisture away, keeping you cool and fresh from morning to night. Made from 95% bamboo viscose and 5% elastane.