Oakley Flak 2. 0 XL Sunglasses Enhanced Lens Coverage When you're out riding the trails or riding on the pavement, you'll want to protect your eyes. Not only do sunglasses protect your eyes from UV rays, they also protect your eyes from debris, water, wind, bugs, and so much more. Oakley engineering takes performance to the next level and brings style along for the ride with the Oakley Flak 2. 0 XL Sunglasses, which offer a standard size frame with enhanced lens coverage. Every millimeter of the lens is optimized with High Definition Optics in a ruggedly durable yet lightweight design. Designed to push your limits with patented XYZ Optics for razor-sharp clarity and secure grip of Unobtanium. Features Prizm Polarized features the maximized contrast and enhanced visibility of Prizm with the glare filtering benefits of Oakley HDPolarized Frame suitable for medium to large faces Plutonite lens material offers top UV Protection filtering 100% of all UVA, UVB up to 400nm, and some harmful blue light Optimal precision and impact resistance that meets or exceeds ANSI Z80. 3 optical and impact standards High Definition Optics for a ruggedly durable yet lightweight design XYZ Optics for razor-sharp clarity Unobtanium offers a secure grip to prevent glasses from sliding | Oakley | Flak 2. 0 Xl Sunglasses Men's In Matte Grey Smoke/prizm Road Lens