Features Three-Point Fit: Comfort and performance that holds lenses in precise optical alignment Durability and all-day comfort of lightweight, durable stainless steel frame material Frame suitable for medium to large faces Hollowpoint hinge Available with Prizm™ lenses to enhance color, contrast and detail for an optimized experience HDPolarized: Minimized glare via technology that produces the best polarized lenses on the planet (optional) UV protection of Plutonite™ lens material that filters out 100% of UVA / UVB / UVC & harmful blue light up to 400 nm Glare reduction and tuned light transmission of Iridium™ lens coating Optimal precision and impact resistance that meet or exceed ANSI Z80.3 optical and basic impact standards Optimized peripheral vision of 6 base lens curvature Maximum clarity at all angles of vision with patented XYZ Optics™ Available with Oakley prescription lenses: Single Vision (+2.0 to-4.00) and Progressive Vision (+2.0 to -3.00) High Definition Optics® High Definition Optics® (HDO®) is a collection of patented technologies that allow Oakley eyewear to meet or exceed the testing standards of the American National Standards Institute for optical clarity, visual fidelity, and impact resistance. PRIZM™ Prizm™ is a revolution in lens optics built on decades of color science research. Prizm™ lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility. Polarized® Improving safety, comfort and performance, Oakley HDPolarized lenses filter out 99% of reflected glare without the haze and optical distortion that can come with polarized lenses made with conventional manufacturing techniques.