Enjoy a stylish look and an even better view with your eyes relaxed behind a pair of Mainsail Sunglasses by Costa Del Mar. Featuring a rimless design which allows for increased vision, the Mainsails are designed with Costa 400 polycarbonate thermoplastic lenses which provide 100% polarization, 100 % UV protection and heightened clarity, contrast and unbeatable definition. Because the Costa 400 polycarbonate thermoplastic lenses are hard-coated after injection, they are as tough as nails. A sleek, comfortably-fitting frame design with stainless steel hinges make the Mainsails the perfect shades for any occasion. [Read More]