modern, stylish and highly functional. designed specifically for women, the anon wm1 goggle combines magna-tech® quick lens change technology, with the precise optics of a spherical lens, to create a modern, women's specific frame for slightly smaller faces.the perceive lens increases contrast for the best optical performance in a wide range of lighting conditions. thanks to magnetic facemask integration (mfi®), you can attach the wm1 goggle to your anon mfi face mask (not included) with a single click and defy wind and weather. continuous ventilation maximises airflow for clear, fog-free vision in all weather conditions. perceive sun onyx lensthe perceive sun onyx lenses are suitable for very sunny days and the glacier. perceive lenses give you high contrast to better see the terrain.transmittance of visible light: 6 %perceive variable violet lensthe perceive variable violet lenses are suitable for changeable days. perceive lenses give you high contrast to better see the terrain. transmittance of visible light: 34 %