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: Grey Polarized is a great everyday choice for activities on water and land. FRAME FEATURES: Lido feature a square, tiger shark frame and grey polarized 580G mineral lenses. 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.