Mako Diver 9525 M19 P2S1 Demi Brown / Brown Gold Mirror Polarised Lenses A lightweight frame featuring polycarbonate lenses, the Diver is suitable for a range of outdoor activities. Brown Polarised Lens Excellent contrast enhancer with minimal colour distortion. Perfect all-rounder for fishing, camping, and driving. Brown lenses allow a wide viewing slot and are perfect for a day on the water.Filter Category 3: General purpose sunglasses. High protection against sunglare. Good UV protection. Not suitable for driving in twilight or at night. Sunglasses and Fashion Spectacles are: - Not for direct observation of the sun. Not for protection against artificial light sources, e.g. solaria. Not for use as eye protection against mechanical impact hazards.