Rooted in surf and skate culture, the Twoface™ sunglasses from Oakley offer a rare look that pairs lightweight yet durable O Matter™ with lower rims of aluminum. Clean lines keep the look original, and with High Definition Optics® (HDO®), unbeatable clarity and proven protection give this style a competitive edge. The design features: Oakley HDPolarized lenses filter out 99% of reflected glare without the haze and optical distortion that can come with traditional polarized lenses. Plutonite® Lenses offer top UV Protection filtering 100% of all UVA, UVB, UVC and harmful blue light up to 400nm Patented High Definition Optics® (HDO®) provides superior optical clarity and razor-sharp vision at every angle O-Matter™ stress-resistant frame material is both lightweight and durable for all-day comfort and protection 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. 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.