The Oakley SI Gascan has a unique look and lenses cut from the curve of a single lens shield. The lightweight O Matter® frame with the Three-Point Fit retains the lenses in precise optical alignment. 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 Polarized to reduce glare Not Z87 rated Oakley SI Gascan® Polarized Black/Gray Glasses