The Oakley SI Flak 2.0 XL sunglasses take creative innovation to the next level with the latest in performance technology. Plutonite® Lens filters  out 100% of all UVA, UVB, UVC O-Matter™  frame material is lightweight yet highly durable High Definition Optics®  is a collection of patented technologies that allow for optical clarity, visual fidelity, and impact resistance Not Z87 rated Oakley SI Flak™ 2.0 XL Black/Gray Glasses OO9188-13