Oakley Engineering brings the most versatile protective eyewear forward with SI Speed Jacket. Designed with direct input from Law Enforcement and Competitive Shooters, SI Speed Jacket combines all day fit and comfort with performance attributes in a modern silhouette. Fully compliant with ANSI Z87.1 impact standards, the lens also offers a wide field of view. To make the process of lens changing fast, easy and hassle-free, Switchlock technology uses a simple switch mechanism to release the mounted lens so a new one can be locked in instantly. It lets athletes adapt their vision and keep up with changing light.UV ProtectionEye damage attributed to ultraviolet light includes cataracts, pterygium and macular degeneration. Oakley's Plutonite lens material filters out 100% of all UVA, UVB, UVC and harmful blue light up to 400nm. The protection is from the lens material itself.Polarized Improving safety, comfort and performance, Oakley HDPolarized lenses filter out 99% of reflected glare ...