The XL edition offers a standard size frame with enhanced lens coverage, and every millimeter of the peripheral view is optimized with High Definition Optics® in a durable yet lightweight design that takes performance to the next level and brings style along for the ride. Essential gear for competition, Flak2.0 XL has 8.75 base lens curvature for protection against sun, wind and impact, and patented XYZ Optics® maintains clarity along the full curve while you push your limits with the comfort and secure grip of Unobtainium®. We created an array of lens/frame combinations so you can choose options including the glare-cutting power of HDPolarizedoptics, the balanced light transmission of Iridium® lens coatings, and Prizmlens technology that fine-tunes vision by emphasizing colors where the eye is most sensitive to detail. INTEGRATED TECHNOLOGIES: 8 BASE LENS The side curvature of our 8.75 base lenses extends your peripheral view while providing coverage that improves side protectio