Eye protection mask for practicing winter sports

An eye mask for practicing winter sports, the eye mask comprising a lens assembly and a support assembly, wherein the lens assembly comprises a frame, a structural lens, an inner lens having anti-fog properties, a Guest-Host-type liquid crystal (LC) film adapted to modify a transparency level thereof and laminated to the structural lens, and at least one electric source for supplying the LC film, wherein the structural lens is applied to the frame and the frame has a higher stiffness than the structural lens, wherein the support assembly comprises a support suitable for attaching the lens assembly, and wherein the inner lens is applied to the frame on a side opposite to the structural lens by a double-sided adhesive tape,

• the eye mask further comprising a sealed frame compartment delimited by the structural lens, the frame, and the inner lens, wherein at least one electric source is placed in said sealed frame compartment.