Average/normal reduction of solar radiation through filter category 2 with a light transmission of 19-43% Fog-free vision without affecting the optical quality of the lens thanks to uvex supravision Increased field of vision and permanent protection from fogging due to the cylindrical double lens Climate-regulating, waterproof and breathable ventilation membrane for optimum draught-free frame ventilation 100% UVA, UVB, UVC protection