Sport professionals demand nothing less than the best and we ve answered their challenge for decades. World-class athletes have driven us to create innovation after innovation including interchangeable lens designs with unbeatable optical clarity. FLAK JACKET takes that to the next level with the latest in performance technology. MAINTAINS SHARP CLEAR VISIONFLAK JACKET features Oakley Hydrophobic a permanent lens coating that prevents rain and sweat from building up on the lens. It also repels skin oils and other contaminates so the lens is smudge resistant and easy to keep clean. It even eliminates static electricity so dirt and dust particles won t cling. STAYS AHEAD OF THE SUNFLAK JACKET lets you change lenses in seconds to optimize vision in any sport environment. Multiple lens colors are available and all lenses feature the unbeatable clarity of Oakley s HIGH DEFINITION OPTICS (HDO ).OFFERS A SECURE CUSTOM FITChoose the nose pads that give you the best fit two sizes are included with every frame. Like the stem sleeves they re made of UNOBTAINIUM to increase grip with perspiration. Oakley s Three-Point Fit optimizes comfort and holds the lenses in precise optical alignment for superior clarity. OPTIMIZES COMFORT PROTECTION AND CLARITYFLAK JACKET is made of lightweight O MATTER for all-day comfort. Pure PLUTONITE lens material filters out 100% of all UV and FLAK JACKET meets ANSI Z87.1 standards for impact protection. The semi-rimless design means there s no frame rim to block downward view. Optical clarity exceeds all ANSI Z87.1 standards and XYZ OPTICS extends razor-sharp vision all the way to the lens periphery. FLAK JACKET comes with a case for transport. The frame is available in two lens shapes: standard size and the larger XLJ. Optional lenses with Oakley polarization block glare while maintaining the best optical clarity on the planet. For lenses that lighten and darken automatically choose OAKLEY ACTIVATED BY TRANSITIONS. The frame is also available in sport-specific arrays that include three lens colors and a case to transport the full set.