Bliz Proflip OTG (Over the Glasses)
Based on Scandinavian design, the Proflip is used by the top cross country ski and biathlon athletes in the world. It has a visor that can be flipped up as desired so you don't fog up. The lens is made of unbreakable polycarbonate which is ten times more impact resistant than plastic or glass, and offers 100% UV protection. The Proflip OTG is light, comfortable and made to fit over your prescription glasses. Included is a clear interchangeable lens, a cleaning cloth, and a zippered hard case.