Don't compromise your vision when the going gets tough! Enhance your surroundings with the Oakley Flak Jacket XLJ. ; Durability and all-day comfort of lightweight, stress-resistant O Matter frame material. ; Interchangeable lenses to optimize performance in any environment. ; Lenses feature High Definition Optics for optimum clarity. ; Optimized peripheral vision and side protection of 8.75 base lens curvature. ; Comfort and performance of Three-Point Fit that holds lenses in precise optical alignment. ; Metal icon accents. ; UV protection of Plutonite lens that filters out 100% of UVA, UVB, UVC, and harmful blue light up to 400nm. ; Adapt to variable light conditions with Transitions SOLFX photochromic lenses. ; Glare reduction and tuned light transmission of Iridium lens coating. ; Impact resistance that meets all ANSI Z87.1 standards for high-mass and high-velocity impact. ; Optical precision and performance that meets all ANSI Z87.1 standards. ; This product may have a manufacturer's warranty. Please visit the manufacturer's website or contact us at for full manufacturer warranty details.