Mens Oakley Holbrook Sunglasses. An iconic style developed with Oakley's snowboarding phenomenon Shaun White and his brother Jesse. Features include: optimized peripheral vision and side protection of 6 base lens curvature, optical precision and impact resistance meet or exceed Z87.1 optical and basic impact standards, UV protection of PLUTONITE lens material that filters out 100% of UVA/ UVB/ UVC & harmful blue light up to 400nm. Prizm™ lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility. Durability and all-day comfort of lightweight, stress-resistant O MATTER frame material, comfort and performance of 3Point Fit that holds lenses in precise optical alignment, metal bolt accents in front frame, metal icon accents. Matt black frame with grey Prizm Dark Golf lens. Prizm Violet lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility whilst on the golf course; allows 13% light transmission, giving increased contrast perception in strong light conditions