Technology in the lenses that gives them photochromic properties - the lenses darken as the sunlight increases, adapting to the prevailing conditions in seconds. They also provide 100% protection against UVA, UVB and UVC rays.

It is an anti-fog coating used on the inside of the lenses of Alpina brand glasses and goggles. It guarantees clear vision, even in high humidity.

Lenses with a hydrophobic coating that prevents water and dirt from settling on them. The outer side of the lens is resistant to moisture. They guarantee excellent visibility.