The Epoch "3 Black" model is a stylish and sporty full frame sunglass with a Photochromic Lens. These sleek mens motorcycle sunglasses have been designed to work well with lenses that meet high velocity and high mass impact standards. The arm is built with co-injected inlaid rubber making it ultra comfortable. These glasses feature automatic tinting from clear to smoke as it gets brighter outside and will protect your eyes from dust, wind, and other irritants. If youre looking for motorcycle glasses with Photochromic lenses that will provide optimal visual clarity, then these are the ones for you. Epoch Eyewear is a Veteran owned and operated company. We are proud to be a part of the Veteran community and build a company that provides jobs and great products.