The "Category - CAT" number determines the light transmission rate (light transmittance) in the visible range. How well and clearly you can perceive your surroundings depends primarily on the lens you choose.
Replacement Lens NOVA
Ski goggles with interchangeable magnetic lenses
The NOVA - The perfect snowboard goggles and ski goggles for the slopes have the SnapTech magnetic system. The perfect positioning of the magnets and a robust polycarbonate frame encloses the lensens. Thanks to the ultra-strong magnets the lenses perform even during fast turns and crazy jumps.
A total of six different replacement lenses with different values of light transmission are available for The NOVA. Depending on the wind and weather conditions, a certain lens is recommended for this situation. In addition to the specified light transmission, the lenses have a Super Anti-Fog coating and are 300% more resistant against fog. That means the Super Anti-Fog coating is three times stronger and more resistant against fog than previous models.
Skiing with poor vision: The best ski goggles with a spare lens
Enthusiastic outdoor lovers know how quickly conditions can change from bright sunshine to snowfall on some days. In order to be perfectly equipped even in changeable conditions, you can put interchangeable lenses for different lighting conditions. Our bad-weather lenses and purple-green bad-weather lenses ensure the best vision during fog and snow. With a light transmission between 40 and 80% VLT, the magnetic lenses allow a clear view even in bad, foggy and dark conditions or during snowfall. The purple-green bad weather lens is particularly suitable for skiing days with flat and diffuse light, where high contrasts and an increased perception of the colors in the snow are particularly important.
Interchangeable ski goggles for men and women
In the table below you can see which category is suitable for which weather condition.
Name of the lens |
Category |
Suitable for |
VLT (visible light transmission) |
Clear |
category 0 |
night skiing |
80 to 100% VLT |
Bad Weather |
category 1 |
snowfall/fog |
40 to 80% VLT |
Purple-Green Bad Weather |
category 1 |
snowfall/fog and flat light |
40 to 80% VLT |
Red |
category 2 |
cloudy and partly sunny weather |
18 to 43% VLT |
Blue |
category 2 |
cloudy and partly sunny weather |
18 to 43% VLT |
Pink |
category 3 |
bright daylight |
8 to 18% VLT |
Black |
category 4 |
bright sunshine |
3 to 8% VLT |
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