The coating of this pair of sunglasses have more layers which could be great protection, this round sunglasses would provide you with the effectiveness of anti UVB and UVA radiation. The electrostatic prevention and oil proof could be also realized with such protecting coating.
Any adherent oil on the surface of the lenses could be prevented or easy to be removed. And scratches are not easy to be left on it. Having such strong protection of lenses, you won't have any worries for driving, boating, skiing or joining any parties.
