Mako Diver 9525 M02 P0S8 Shiny Black / Grey Silver Mirror Polarised Lenses A lightweight frame featuring polycarbonate lenses, the Diver is suitable for a range of outdoor activities. Grey Polarised Lens General purpose colour. Does not enhance colour. Perfect for offshore fishing, driving and all sports. Grey lenses are very relaxing for the eye, filtering the most light of any lens colour and providing a very natural colour balance.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.