The Hekler combines function and style into one seem less sunglass. Not only does it have removable neoprene foam but it also has anti-fog photochromic lenses. In low light conditions theses lenses allow 83% of the visible light through the lenses while in bright light the lenses darken allowing 28% of visible light through the lens. The Hekler also comes with a carry case and microfiber cleaning cloth to keep these sunglasses in the best shape possible.