No stink- all day, every day. Permanent XT2® Silver Technology kills odour and won't wash out. Supportive MyPakage Pouch Technology™ keeps your boys comfortable. Feels like Sunday, grinds like Monday. Meet the best of the best: the revolutionary comfort and softness of Modal Classics and the moisture wicking properties of Polyester meet XT2® NO STINK Technology, a permanent silver anti-odour technology that kills stink before it starts by preventing the growth of odour-causing bacteria and won’t wash out.. The ultimate Boxer Brief. XT2® NO STINK Technology Slim fit with no fly 6.5 inch inseam MyPakage Pouch Technology™ Seamless Pucker Panel Soft 1 3/8-inch luxury knitted waistband 62% Polyester / 26% Modal / 7.5% XT2® Polyester / 4.5% Spandex 190 GSM fabric weight