Characteristics: Lens: Cylindrical PC injection lens and acetate for dual lens combinations with 8 integrated magnets Super anti-fog [under 120 seconds] with anti-scratch treatment Distortion-free and shatter-resistant lens Color luxe technology by Zeiss Free replacement lens with "speed connect" magnet technology Lens colors brown: Category 3, replacement lenses in yellow category 1 Frame: PU injection frame Comfort: double-density foam and fleece for maximum comfort Filters: 3D mesh filters Strap: 40 mm wide strap with 2 sliders and silicone grip UV protection: 100% UV protection Cover: Semi-hard thermoformed cover with a microfiber sock bag.