Sexy Mens Breathe Underwear Briefs Printing Bulge Pouch Bikinis HS115 Because the size is small than usual,Recommend you guys to go One size up 95% nylon + 5% spandex Seamless technology construction and fabric Constructed with soft, stretchy and breathable bamboo fiber, keeps you comfortable and sexy all day Good quality Modal fabric,durable ,soft, breathable and comfortable.