I have these in a HI yellow lens for the express purpose of skiing snowy blowing days and flat light. They work very well and keep you from falling into unseen holes and depressions at high speeds and give great contrast when you need it. When you take them off- seriously, it's like someone turned the lights to low at the bar. They are like night vision goggles illuminating the way for the enlightened. The wisdom is a big frame which I also like for snowy days as you get more facial coverage. Get some.