ski goggle/sports glasses/safety glasses/motorcycle goggles

The description of the products:
NAME: ski goggle (another name : the snow goggle, the mountaineering glasses, the mountain glasses) have double lenses and anti-frost, anti-fog.
1: the technique of the layer lenses:
The lenses have superficially absorbed water coating in the surface, it can absorb water before fog, and have plating film. (adapt for mountain conditions).
2: the technique of the lenses:
It designs specialized double lenses, and have the air of layer closeness to insulate in the center. It keeping the air of inside lenses is warm and dry. And it designs the spherical lenses, beautiful, generous, and specialized. It prevents from the harmful rays, UV400, the ultraviolet ray, the light and the infrared ray.
3: designed ventilated the thin film foams;
Each ski goggles have ventilated the thin film foams; it can effectively discharge the knot fogs.
4: ventilated;
The commutation that passes dry wet air