Very good

I had the pleasure of testing in sunny and cloudy conditions. The red lens is sufficient even in bright sunshine, while the yellow improves visibility a little on cloudy days. I ordered an additional black lens for strong sun - unnecessarily, the red one works fine.

The goggles are large but fit my head and helmet perfectly, with a good fit and no evaporation.
I previously had goggles for ~£200 with a single lens and could feel the difference in visibility, the chromapop actually increases contrast slightly.

The only small downside is the glass changing system. You have to practice changing them before you go out on the slopes because it's tiring and takes ~3 minutes once you get the hang of it (you have to watch tutorials on yt). So there's no way to change your skins quickly, which is useful when, for example, you're skiing down a sunny slope and then suddenly the rest of the way is in heavy shade.