Oakley HD polarized minimizes glare via technology that produces the best polarized lenses on the planet with greater than 99% polarization efficiency. Optimized peripheral vision and side protection of 6 base lens curvature. UV protection of Plutonite lens material that filters out 100% of UVA/UVB/UVC and harmful blue light up to 400nm. Durability and all day comfort of lightweight; stress resistant O Matter frame material. Comfort and performance of Three-Point Fit that holds lenses in precise optical alignment. Metal bolt accents in front frame. Metal icon accents. Optical precision and impact resistance meet or exceed Z87.1 optical and basic impact standards.