The lens of ski goggles

If the color of ski goggles lens is subdivided, one refers to the base color of lens material, and the other refers to the color of coating film. The color of base material of general lens is warm color mostly, the color of plating film USES cool color to fasten color more. There are also individual use of warm color system coating, this is more for good looking purposes, from the visual will be a side effect.