Oakley Holbrook OO9102 Prizm Grey Sunglasses feature patented High Definition Optics (HDO) technologies for unmatched optical performance with ANSI Z80.3 impact resistance. The 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; the color choices are part of the Prizm Grey family, and each of them gives a warmer appearance to colors, increasing contrast in your everyday experience. These Holbrook sunglasses boast O Matter frames featuring nonslip Unobtanium nose pads and ear socks, which ensure a Three-Point Fit that holds lenses in precise optical alignment while eliminating pressure points. These Oakley Prizm sunglasses include a microfiber cleaning bag to keep them clean and protected, as well as a mfrs. 2-year limited coverage warranty that begins the date of purchase and covers against manufacturing defects in material or workmanship. Manufacturer style #: OO9102. HDO for unbeatable clarity, impact resistance, and 100% UV filtering Plutonite polycarbonate lenses filter 100% of all UVA/UVB/UVC and harmful blue light Prizm technology for ultra-precise color tuning Meets or exceeds ANSI Z80.3 optical and basic impact standards O Matter frames are lightweight and stress-resistant Unobtainium nose pads for a secure, comfortable fit Three-Point Fit holds eyewear in precise optical alignment Includes microfiber cleaning bag and 2-year limited coverage warranty