You dont have to sacrifice style for performance on the water. Costas Inlet 580P Polarized Sunglasses have a fashionable edge, yet give you maximum sun protection and improved vision. Lightweight 580P polycarbonate lenses go beyond polarization to actually enhance your vision by blocking yellow light to improve clarity and contrast. These sunglasses have a rounded, slightly oversized style, and are carefully handcrafted to fit feminine faces. These sunglasses resist impact, saltwater, and grime for years of fishing, boating, or beachside living. Backed by Costas lifetime warranty. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.