The secret behind BN3TH’s comfort is their patented MyPakage Technology which means no more shifting or adjusting throughout the day. Classic Boxer Briefs in Radical Tropic are made from modal which is softer and more absorbent than cotton, extremely breathable, wrinkle and pill resistant. Men's boxer brief Slim fit with no fly Seamless pucker pouch Soft luxury knitted waistband 95% tencel modal, 5% spandex