Men’s briefs Black size M Men’s underwear made from nylon / spandex Machine wash Imported Discover the Olympian in you with these winning men's briefs from Fizx. Made with sexy sports mesh, the Fizx Olympian men's underwear gives power to your profile. Stretchy and slinky, the Fizx briefs hug your body and also feature a contour pouch to support your assets and put them on the pedestal they deserve. Two-tone waistband features the Fizx underwear logo.