Rooted in surf and skate culture, Oakley went double-barrel with frame materials to create TwoFace, a rare look that pairs lightweight, yet durable O Matter, with lower rims of aluminum. Oakley TwoFace OO9189 Prizm Bronze Sunglasses feature patented High Definition Optics (HDO) technologies for unmatched optical performance with ANSI Z80.3 impact resistance. Plutonite polycarbonate lenses filter 100% of all UVA/UVB/UVC and harmful blue light. The lenses feature Prizm technology that helps fine-tune your vision for specific sports and environments by maximizing contrast and enhancing visibility. Part of the Prizm Bronze family, the Prizm Tungsten lenses give a warmer appearance to colors, increasing contrast in your everyday experience. These TwoFace sunglasses boast a Three-Point Fit that holds lenses in precise optical alignment while eliminating pressure points. These Oakley sunglasses include a microfiber cleaning bag to keep them clean and protected, as well as a manufacturers 2-year limited coverage warranty that begins the date of purchase and covers against manufacturing defects in material or workmanship. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Non-Polarized.