The Oakley Gas Can Sunglasses feature HIGH DEFINITION OPTICS? (HDO?) combining patented optics and PLUTONITE? lens material to provide 100% UV filtering and unsurpassed impact protection. Two lenses are cut from the curve of a single lens shield, then mounted in the frame to maintain the original, continuous contour. The look is so unique, Oakley customized their corporate logo just for this eyewear.Lightweight O MATTER? frame material offers premium comfort. Peripheral vision is maximized by XYZ OPTICS?, an innovation that maintains visual clarity at all angles of view. Impact protection meets ANSI Z87.1 standards. Three-Point Fit retains the lenses in precise optical alignment. True metal icons sign this Oakley original. Iridium lens coatings reduce glare while improving contrast and comfort.