Part of the Standard Issue series for combat-ready performance, Oakley SI Holbrook XL OO9417 Prizm Grey Sunglasses are up to any challenge. Plutonite polycarbonate lenses filter 100% of all UVA/UVB/UVC and harmful blue light. The lenses also feature Prizm technology that helps fine-tune your vision for specific sports and environments by maximizing contrast and enhancing visibility. The color choices shown here are part of the Prizm Grey family, which includes lens colors that deliver ultra-precise color tuning in any environment and are ideal for bright light conditions. These Holbrook XL sunglasses boast O-Matter frames that are scaled up to fit larger faces. The Three-Point Fit 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. Manufacturer style #: OO9417. A timeless classic, specially sized to fit larger faces 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 scaled up to fit larger faces Three-Point Fit holds eyewear in precise optical alignment Includes microfiber cleaning bag and 2-year limited coverage warranty