The CLARITEX COAT is SWANS new state of the art water and dust repellent lens coating. It repels water for clearer vision in wet conditions, CLARITEX anti-scratch lens coating keeps your lens looking brand new year after year. The DOUBLE CLARITEX COAT protects against splashes of water and sweat, which usually lingers on the back side of the lens. This gives a clearer vision to the wearer.