We took all your favorite features of our best-selling style Holbrook™, and crafted it into a lightweight sheet metal frame with advanced technology, taking this time-honored style one step further. Features:- Clarity: Conventional lenses can magnify images. HDO® precision gives less distorted vision across the entire field of view.- Refraction: With regular lenses, objects aren’t really where you see them. HDO® 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.Specifications:- Light Transmission: 11%- Light Conditions: Medium Light- Contrast: Increased