Oakley Polarized Holbrook LX Sunglasses Grey Polarized Medium to bright light. Excellent all-purpose lens that cuts blinding glare while offering truer color perception. Specifications: Light Transmission: 17% Conditions: medium to bright light Protection Index: 3 Neutral / Contrast: Neutral The look of classic cool was reborn when snowboarding superstar Shaun White worked with Oakley designers to inspire the original Holbrook™ sunglass & Holbrook™ LX refines it with a handmade acetate frame & integrated stainless steel hinges. Frame: Durability & all-day comfort of lightweight handmade Acetate frame Comfort & performance of Three-Point Fit that holds lenses in precise optical alignment Accents include sculpturally integrated hinge mechanism & metal icons Frame suitable for medium to large faces Lenses: UV protection of Plutonite® lens that filters out 100% of UVA / UVB / UVC & harmful blue light up to 400nm Glare reduction & tuned light transmission of Iridium® lens coating (optional) HDPolarized™ Â- Minimized glare via technology that produces the best polarized lenses on the planet (optional) Optimized peripheral vision of 6-base lens curvature Optical precision & impact resistance meet or exceed Z80.3 optical & basic impact standards Maximum clarity at all angles of vision with patented XYZ Optics® Available with Oakley prescription lenses