Oakley Flak Jacket XLJ Sunglasses. Change Your Entire Point Of View! Oakley Flak Jacket XLJ Series Sunglasses feature: HydrophobicATM lens coating maintains smudge resistance and prevents water from leaving streaks and sheens Skin oils, fingerprints and lotions are easily wiped away without leaving a residue, eliminating the haze that makes ordinary lenses a nightmare to keep clean Patented XYZ OpticsA maintains visual clarity at all angles of view Semi-rimless design ensures thereA's no frame rim to block downward view Lightweight O MatterA frame material is engineered to withstand the abuse of athletics Secure, precise fit with two interchangeable nosepiece sizes UnobtainiumA components increase grip with sweat to make sure the frame stays in place PlutoniteA lenses filter out 100% of all UVA, UVB and UVC The materials and geometries provide unsurpassed protection against impact Three-point fit with balanced pressure points Case included Frame Colors/Lens Colors: Jet Black/Black Iridium Lens 10% lens transmission. Extremely bright light. Excellent all-purpose lens for sunny conditions. IridiumA coating to reduce glare. Jet Black/G30 Lens 30% lens transmission. Flat to medium light. Rose base with a subtle IridiumA coating to improve contrast and depth perception in blues and greens. Excellent for golf. Metallic Blue/G30 Lens 30% lens transmission. Sport performance lens for flat to medium light. Rose base with a subtle IridiumA coating to improve contrast and depth perception in blues and greens. Silver Frame/Fire Lens 11% lens transmission. Extremely bright light. Filters blue light to increase contrast and improve depth perception in a wide variety of conditions. Oakley Sunglasses.A Unique Hybrid Of Science & Art!