The "Category - CAT" number indicates the level of light transmission in the visible range. How clearly and extensively you can perceive your surroundings largely depends on the lens you choose.
Lens TROOP Youth
Our new ski and snowboard goggles The TROOP Youth are also suitable for any wind and weather conditions. The simple Pin System makes it possible to quickly and easily adapt to the changing light conditions.
The TROOP Youth lenses are also equipped with an anti-fog coating. This ensures perfect visibility even in fog and snow.
The following table shows the lens categories and the suitable weather conditions for each lens.
Lens Colour |
Category |
Suitable Conditions |
Light Transmission / VLT (Visible Light Transmission) |
Low Light |
CAT. 1 |
Snow/Fog |
40 - 80% VLT |
Blue |
CAT. 2 |
Cloudy & Partly Sunny |
18 - 43% VLT |
Purple | CAT. 3 | Bright Daylight (Bluebird) | 8 - 18% VLT |