High Definition Optics® (HDO®) 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 that Oakley's logo was made just for these sunglasses. 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, and our Three-Point Fit retains the lenses in precise optical alignment. True metal icons sign this Oakley original. Lightweight, stress resistant O Matter® frame material Extended wrapped frame geometry to fit medium to large faces Metal icon accents Sculpturally integrated hinge mechanisms with dual cam action Plutonite® lens material blocks 100% of all UVA, UVB, UVC and harmful blue light Exceeds ANSI Z87.1 standards for impact and optical requirements.