Customise your Anon M4 goggles for any condition by adding a spare SONAR lens by ZEISS to your collection. This spare lens features toric technology which mimics the curvature of the eye for superior optics, enhanced peripheral vision, and maximised venting for fog-free vision. SONAR by ZEISS technology in this lens means ultimate contrast and clarity, giving you the best possible definition and terrain recognition so you can see more accurately on snow. All Anon lenses feature Integral Clarity Technology anti-fog treatment for crystal clear vision in any condition.
Sonar Infrared Blue - VLT 39% - optimal vision on partly cloudy days
Sonar Infrared Red - VLT 57% - optimal vision on cloudy/low light days
Clear - VLT 85% - optimal vision on cloudy/low light days