Customize the look of your Sutro S eyewear and get the best optical performance for where you use it most. Prizm™ replacement lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility with the impact resistance and 100% UV filtering of Oakley´s High Definition Optics® (HDO®).Specifications:- Light Transmission: 11%- Light Conditions: Bright Light- Contrast: IncreasedTechnology:PRIZM™:- Oakley's exclusive lens technology designed to enhance color and contrast.