This frame size is XX-Large with a hinge to hinge measurement of 141 mm. Ideal for wide faces. LENS MATERIAL: Costa's 580 Polycarbonate provides high clarity, impact- and scratch-resistance along with lightweight all day wear-ability. LENS COLOR: Blue Mirror Polarized is best for bright, full-sun situations on the open water and offshore. 100% UV PROTECTION: To protect your eyes from harmful UV rays, these Costa Del Mar sunglasses include lenses that are coated with 100% UV protection. FRAME FEATURES: Fly Line deliver functionality wrapped in modern design, made to be worn on the water. The lens wrap provides cover and protection, while the Hydrolite nosepads and temples on the matte black frame offer comfort and retention. 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.