Industrial design architecture of these Oakley sunglasses blends earstems of carbon fiber and lightweight aluminum with a durable O Matter™ front; creating a unique composition of original style and true innovation. The design combines cutting-edge integrated technologies along with a handful of innovative features which include: Unobtainium™ earsocks increase grip without compromising on style. Blend of premium materials including lightweight carbon fiber, sculptured aluminum, and O Matter™ Comfort and performance of Three-Point Fit that holds lenses in precise optical alignment. Optimal precision and impact resistance that meet or exceed ANSI Z80.3 optical and basic impact standards. 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. 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. 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.