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 Ferg feature an oversized square, matte black frame with blue mirrored polarized 580G lenses; Costa combines the best of bio-resin with corrosion-resistant metals to create this unique style; 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; Sunglasses Case & Cleaning Cloth Included: Costa case and cleaning cloth included to keep your Costa's safe while you are getting after it; Born on the water in 1983: Costa Sunglasses for men and women is celebrating 40 years of making the premium sunglasses on the planet and protecting the watery world we call home