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: Rincon feature a rectangular, midnight blue frame with grey gradient polarized 580G lenses. Costa's Acetate frame material made from tree pulp is best for when you're not being active. Naturally hypoallergenic and can be adjusted for the best fit with a warm, luxurious feel with rich color layering and unique patterns. 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.