LENS MATERIAL: Costa's most high tech lens - 580 Glass provides superior clarity, ultra scratch-resistant, 100% UV protection and the best polarizing efficiency available. LENS COLOR: Blue Mirrored Polarized is best for bright, full-sun situations on the open water and offshore. FRAME FEATURES: Fantail Pro feature a rectangular, blackout frame and grey blue mirrored polarized 580G mineral lenses. Costa's co-injected nylon frames are made with environmentally friendly bio-resin, a durable and temperature-resistant material. 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.