Named for the California bay where some of the largest sharks in the world are known to frequent, Costas OCEARCH Half Moon Polarized Sunglasses sports a West Coast-inspired beach style that rides the mystique of epic ocean swells. 580G polarized lenses are made from Lightwave glass to provide 100% UV protection, plus unmatched clarity, contrast and definition. Costa 580 technology takes lens performance to new heights by eliminating glare from yellow light and boosting red, blue and green, resulting in deeper colors and sharper contrast. For a better fit, the durable frames are outfitted with Hydrolite nose pads, straight temples, double-cut textures and integrated spring hinges. Your purchase helps fund research expeditions aboard OCEARCH, a marine vessel and at-sea laboratory that generates critical data and puts science on the side of sharks. Includes OCEARCH case, cleaning cloth and C-mask to safeguard your face and neck. Limited lifetime warranty. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.