Costa Del Mar Men's Rincon Rectangular Sunglasses. Shiny Black/Grey Blue Mirrored Polarized. One nose pad is missing! 63 Millimeters * 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 580G GLASS LENSES: Costa's patented 580G glass lenses provide scratch-proof clarity. 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.