Polarized Sliver Bronze Polarized Medium to bright light. Excellent all-purpose lens that cuts blinding glare while boosting contrast & depth perception. Specifications: Light Transmission:15% Conditions:medium to bright light Protection Index:3 Neutral / Contrast: Contrast A timeless sleek design made even more lightweight with sculptural reliefs on the earstems Sliver™ takes advantage of our durable yet gravity-defying O Matter™ frame material while letting innovative technologies like XYZ Optics® throw their weight around. Its rectangular lenses maintain clarity at every angle of vision while filtering out 100% of all UV & lens options include premium Oakley polarization & Iridium® coatings that balance light transmission. Accented with metal icons the casual look is honed with fine craftsmanship & engineered with our signature Three-Point Fit to hold the pure Plutonite® lenses in precise optical alignment.INTEGRATED TECHNOLOGIESO-Matter™A stress-resistant frame material that withstands environmental extremes it is lightweight yet highly durable. Controlled flexibility enhances impact resistance while contributing to the all-day comfort of frames made with this innovative synthetic.6 base lens The reduced side curvature of our 6 base lenses is ideal for casual use & provides clarity & peripheral sun protection not found with many low-wrap competitor products. Oakley HDPolarized® Improving safety comfort & performance Oakley HDPolarized lenses filter out 99% of reflected glare without the haze & optical distortion that can come with polarized lenses made with conventional manufacturing techniques.