Oakley lens tints are engineered to offer the best combination of light filtering, color balance and visual contrast. Visibility on the mountain can vary wildly, from socked-in blizzards to blindingly bright sunlight, and everything in between. Oakley offers a comprehensive array of performance lenses that match specially engineered base tints with unique IridiumĀ® coatings, designed to precisely tune, contrast and balance light transmission.Features:- Light Transmission: 61%- Light Conditions: Snow and OvercastTechnology:- Clarity: Conventional lenses can magnify images. HDOĀ® precision gives less distorted vision across the entire field of view.- Refraction: With regular lenses, objects aren’t really where you see them. HDOĀ® offers a truer visual image so your brain won’t have to work overtime.- UV Protection: All Oakley lenses block 100% of UVA, UVB & UVC rays and harmful blue light up to 400 nm.