Oakley Coinflip OO4144 Prizm Bronze Polarized Sunglasses feature patented High Definition Optics (HDO) technologies for unmatched optical performance with ANSI Z80.3 impact resistance. HDPolarized to combat glare, 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 lens color choices shown here give a warmer appearance to colors, increasing contrast during everyday use. Oakley Coinflip sunglasses offer a new take on traditional round sunglasses, sporting distinctive mixed-material construction. The top of the frames features an aluminum brow bar; the lower half and temples are made from O Matter. An Unobtainium nose pad ensures a nonslip grip. These Oakley polarized sunglasses boast a Three-Point Fit that holds lenses in precise optical alignment while eliminating pressure points. Oakley Prizm polarized 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 #: OO4144. HDPolarized to fight glare 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 with aluminum top bar 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