The Oakley SI Fuel Cell has lenses that are cut from a single shield of optically pure Plutonite® then placed in the frame to maintain the original continuous contour. HIGH DEFINITION OPTICS®, POLARIC ELLIPSOID™ lens geometry extends clarity all the way to your peripheral view. Exceeds ANSI Z87.1 standards (Not stamped with Z87.1) 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 Prizm™ lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility. Polarized to reduce glare Oakley Fuel Cell™ Prizm™ Polarized Glasses OO9096-D8