The Varioflex mirror technology delivers uncompromising visibility. The mirrored lens protects from extreme glare, and therefore against dangers on the piste. Varioflex is a lens technology in which the lens tint automatically adjusts to the weather. When exposed to radiation, chemical elements open up and create a flat, darkening effect. When the light intensity decreases, the chemical elements close and the lens becomes brighter again. This process takes seconds. The result: a lens for a wide variety of light conditions.