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. 100% UV PROTECTION: Lenses are coated with 100% UV protection to protect your eyes from harmful UV rays. FRAME FEATURES: Aleta feature a round, matte translucent blue frame and blue mirrored 580G lenses. Made from Costas strong Bio-Resin nylon, allowing the frames to hold their shape in heat and cold weather. STARBOARD AND STRIPES COLLECTION: Inspired by the elements of a classic American summer on the water. PROTECTIVE CASE AND CLEANING CLOTH: Costa case and cleaning cloth included to keep your Costa's safe while you are getting after it.