This frame size is Large with a hinge to hinge measurement of 136 mm. Ideal for average to wide faces. 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 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: Mainsail XL offer performance and style for any adventure on and off the water. Micro side-shields and hooding on the matte black frame help keep excess light out, while Hydrolite grips on the temples keep them in place. 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.