Oakley offers style and performance for any type of cyclist. The Flak XL 2.0 includes a standard mount, mounted with a glass without imperfection. The lenses are durable, ultralight and protects against UV rays. High Definition Optics technoly was used on the lens to optimized the design and the XL version covers larger. Optics technology provides excellent clarity while Unobtanium mount and nose offer great grip.