TrueDark Twilight Sunset AviatorsTrueDark Twilight Sunset Aviators Gradient lensed, stylish, streamlined design, matte black lightweight stainless steel frame, nighttime junk light blockers. TrueDark patent pending red to amber gradient lenses provide junk light protection after the sun goes down. They are darker on top to protect against harsh junk light as well as with distance glare. They are lighter on the bottom to help you perform tasks. These are ideal for initializing your