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Product DescriptionSport professionals demand nothing less than the best, and Oakley has answered their challenge for decades. World-class athletes have driven Oakley to create innovation after innovation, including interchangeable lens designs with unbeatable optical clarity. SI Flak Jacket Sunglasses take that to the next level with the latest in performance technology. The SI Flak Jacket's polarized lenses are engineered to block the blinding rays of glare that are magnified by flat surfaces such as snow, water and pavement. Oakley's liquid infusion process eliminates the haze and distortion found with ordinary polarized lenses. Oakley Hydrophobic permanent lens coating prevents rain and sweat from building up on the lens, as well as eliminating static electricity so dirt and dust particles won't cling. Oakley Oleophobic lens coating repels skin oils and other contaminants, so the lens is smudge-resistant and easy to keep clean. Plutonite lens material blocks 100% of all UVA/UVB/UVC rays and harmful blue light up to 400 nm wavelength. Incorporating Oakley's High Definition Optics and XYZ Optics technologies, Flak Jacket Sunglasses extend razor-sharp clarity at all angles of view, maximizing peripheral vision and protection against sun, wind, and side impact. Flak Jacket lenses meet ANSI Z87.1 standards for optical precision and performance, while the frames meet ANSI Z87.1 standards for high-mass and high-velocity impact. Lightweight, rugged O Matter frame material resists stress and maximizes comfort for all-day wear. Hydrophilic Unobtainium material at the stem sleeves and interchangeable nose pads provides a secure fit, even when it's raining or you're sweating. The semi-rimless design means there's no frame rim to block your downward view. The comfort and performance of Oakley's Three-Point Fit holds lenses in precise optical alignment for superior clarity. Quick, tool-free lens changing lets you optimize your vision in any sport environment. Metal icon accents lend distinctive Oakley style. The Flak Jacket comes with a protective, sports-specific Oakley Soft Vault case that is capable of stowing a lens/frame combination and an extra pair of lenses.
Grey Lens - Suitable for medium to bright light, the Grey Lens features 15% visible light transmittance. This excellent all-purpose lens enhances contrast in sunny conditions and meets MCEPS neutrality and chromaticity requirements.