Oakley Men's M Frame SunglassesThe M Frame Array includes three shields of pure Plutonite. The grey lens controls reflection and transmission, while the clear and VR28 lenses provide optical armor for night and low light shooting. POLARIC ELLIPSOID geometry maintains razor sharp clarity to keep your focus on the bullseye and a low profile nosepiece won't fragment your field of view. FEATURES: Style: 0OO9060 Lenses feature Oakley's HDO Optics with Polaric Ellipsoid Technology Lenses