Anon Men's M2 Lens Magna-Tech quick lens change technology features powerful neodymium magnets to make lens changes easier than ever Spherical lens construction combines de-centered technology with lens curvature that mimics the curvature of the human eye for superior optics Anon Integral Clarity Technology anti-fog treatment delivers crystal clear vision in any condition All Anon lenses offer 100% UV protection and exceed ANSI Z87.1 impact test standards Magna-Tech - M2 ICT (Integral Clarity Technology) Anti-Fog Treatment anon Spherical Lens Technology TRU-V Polycarbonate Lens Offer 100% UV Protection and Exceed ANSI Z87.1 Impact Standards ICT (Integral Clarity Technology) Anon Spherical Lens Technology VLT (Visible Light Transmission) TRU-V Polycarbonate Lens