These Khan metal-frame smoke-lens men’s shield glasses are the right choice for people who want to choose something that’s right in line with design elements that have now become commonplace. You have to consider that these sunglasses go away from the classic style with two different lenses separated by a single bridge. More people want a set of shades that has a single-piece lens. With this design change, you won’t have to worry about sunlight leaking through the space between the lenses or the lenses being too large and detracting from the rest of your outfit.