100% UV PROTECTION: All Costa Del Mar Eyewear lenses block potentially harmful high-energy visible blue light rays and protect against 100% of Ultraviolet rays (up to 400nm). COSTA POLARIZED 580 LENSES: Costa’s patented 580 lenses go further then normal polarized lenses by blocking the perfect amount of harsh yellow light and potentially harmful blue light while enhancing beneficial reds, blues and greens. The result: less haze, less blur, greater contrast and greater clarity, it’s like seeing in high definition. COSTA GREY LENSES: Costa's Grey lenses are the perfect everyday base for the harshest sun conditions. CASE, CLEANING CLOTH AND WARRANTY INCLUDED: Costa Del Mar eyewear sold by authorized sellers like Amazon.com are eligible for all manufacturer warranties and will include a cleaning cloth and soft case to clean and store your Costa Del Mar eyewear. VISIT THE COSTA DEL MAR BRAND SHOP: Visit the Costa Del Mar brand shop to view the entire Costa Del Mar eyewear collection.