JINSHI Mens String Bikini Briefs Soft Bamboo Underwear 4-Pack XL 95 % Bamboo Fiber +5% Lycra Spandex Machine wash cold Bamboo Fiber Feature:Breathable,Lightweight,Supportive,Soft,Dries quickly Tagless design eliminates annoying tag itch Comfort soft skimpy waistband to eliminate pinching and binding With U convex design pouch front, keep you comfortable all day