Oakley Flak Jacket XLJ Team Colors Sunglasses Some shades protect your eyes. Others protect your image. Oakleys do both! Oakley Flak Jacket is made of lightweight O MatterA for all-day comfort. Pure PlutoniteA lens material filters out 100% of all UV; and Flak Jacket meets ANSI Z87.1 standards for impact protection. The semi-rimless design means thereA's no frame rim to block downward view. Optical clarity exceeds ANSI Z87.1 standards; and XYZ OpticsA extends razor-sharp vision all the way to the lens periphery. Oakley Flak Jacket XLJ Team Colors Sunglasses feature: Interchangeable lenses to optimize performance in any environment. Durability and all-day comfort of lightweight; stress-resistant O MatterA frame material. 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. Optical precision and performance that meets ANSI Z87.1 standards. Impact resistance that meets ANSI Z87.1 standards for high-mass and high-velocity impact. UV protection of PlutoniteA lens that filters out 100% of UVA / UVB / UVC & harmful blue light up to 400nm. Glare reduction and tuned light transmission of IridiumA lens coating. Multiple interchangeable UnobtainiumA nose pad options for customizable and comfortable secure fit. Protective sports-specific Oakley Soft Vault included with capacity for extra lenses. Metal icon accents. Oakley Sunglasses. The Best of Comfort; Clarity and Durability!