Very easy to exchange lenses however the goggles were too large for my wife when using a ski helmet. The goggles forced the helmet to be pushed up high on her forehead. The same thing occurred with my adult daughters helmets.
Size and shape fits well, not as pleased with the lens color - it is more rosy than orange but it works fine - my son called them pink but they do the job
The venting system to keep both your glasses and the lenses on this goggles depends on movement of air which is greater when downhill sking but not so predictable when alpine sking.
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