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Product Description

In order to prevent fog to form on the inner side of your goggle, you want to buy two layer lenses goggle. Because if you buy one layer lens, when you are snow skiing and the lens is cold, water vapor will condense on the goggle lens. If you buy two layer, the inner layer will be warm and outer layer will be cold, hence inner layers water vapor will not condense on your goggle. Polycarbonate can block all UV light transmission, almost exactly 400 nm. This can help prevent problems such as snow blindness and cataracts.