huge field of vision, modern design - the olympia goggle from sinner. the sinner olympia is a modern goggle with a minimalist look. the frame is only 2 mm wide and thus offers a large field of vision. the double lens design with anti-fog coating in combination with ventilation ducts in the frame prevents fogging of the lens.full red mirror lensthis lens is perfect for sunny and slightly cloudy days on the mountain.transmittance of visible light: 8-18 %