Matte Black Frame - HD+ Polarization, Anti-Fog, Oleophobic The SunShift HD is functional, ultra-lightweight (weighing only 1oz!), and suitable for the shooting range or other outdoor sports. Our lens are treated with FogGuard Pro™ , a proprietary lens coating to reduce and prevent lens fogging during steamy range days. Our HD+ lenses , a proprietary amber colored tint designed to enhance the contrast of yellow against a blue/green background outdoors, enhancing depth and contrast. Colors become more bright and vibrant. Polarization blocks out glare. Made with shatterproof polycarbonate material with ANSI Z87.1 safety ratings, protecting your eyes from impact. Oleophobic coating reduces smudges, keeping your field of view clear, your mind focused. Our HD+ sunglasses have been developed to balance brightness reduction while maximizing visibility on the range and outdoors.