The XRH safety glasses, from Bobster, are the ultimate convertible Z87.1 approved sunglass. It comes complete with a second frame front with clear lenses, a removable foam and a detachable strap - providing up to 8 different combinations for the price of one. Removable closed cell memory foam maintains visual clarity and comfort by blocking wind and dust; while the adjustable strap enables quick conversion from sunglass to goggle. This eyewear includes a carrying case and microfiber cleaning cloth for maximum care and convenience. ANSI Z87.1 approved.