The Oakley Flak® 2.0 XL Sunglasses will take your performance and style to the next level. These versatile shades are engineered with enhanced lens coverage and is optimized with High Definition Optics® in a durable yet lightweight design. They were built to push your limits with innovative PRIZM™ lenses that deliver superior vision and a secure grip of Unobtanium® to keep your glasses in place while you tear it up.