The Oakley Flak 2.0 XL Sunglasses are super lightweight sport sunglasses you love just larger with a stabilised design that allows you to push your performance to the next level. Oakley’s Flak 2.0 XL glasses come with a pair of dual lenses that are extra-large providing a large surface area of protection and optical precision. The lenses are made of plutonite which is an incredibly durable material that is also capable of providing exceptional level optics. Oakley Flak 2.0 XL Sunglasses Features 15% light transmission Suitable for bright lighting conditions Prizm lens technology Plutonite lenses High Definition Optics Full UV protection O-Matter frame construction Unobtainium frame grip