Good looking sport design glasses. Zak feature a great durability they have been successfully tested and certified on by the American Standards Institute (ANSI); they conform to other norms and standards as well. The glasses are compatible with rx corrective inserts. The glasses are supplied with one set of lenses.
Smoke grey lenses feature extreme durability and light permeability of 12 % to 14 % depending on the actual frame and filter out 100 % of UV radiation. They eliminate glare and do not distort colours. Optimal for bright to dazzling visibility conditions. Smoke lenses are great for beach and practically any outdoor activities.
Replaceable lenses can be purchased separately, they are easy to replace so you can adjust to the given light conditions.