FRAME FEATURES: Mainsail feature a rectangular, matte black frame with blue mirrored polarized 580G lenses. Made from Costas Bio-Resin nylon. The material is strong, allowing the frames to hold their shape in heat and cold weather, and our trifusion frame technology results in unique color combinations.
LENS COLOR: Blue Mirrored Polarized is best for bright, full-sun situations on the open water and offshore.
PROTECTIVE CASE AND CLEANING CLOTH: Costa case and cleaning cloth included to keep your Costa's safe while you are getting after it.
VISIT THE COSTA DEL MAR BRAND SHOP: Click on the Costa Del Mar link above the product title to shop the entire Costa Del Mar sunglass and eyeglass assortment.