The Epoch "Foam" model is a foam-backed performance frame with a Photochromic Lens. An essential piece of equipment for any motorsport enthusiast. These sleek men's motorcycle sunglasses have been designed to work well with lenses that meet high velocity and high mass impact standards. Youll never feel safer. These glasses feature automatic tinting from yellow to smoke as it gets brighter outside and foam that will seal and 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.