SIZING NFORMATION: This frame size is X-Large with a hinge to hinge measurement of 140 mm. Ideal for 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: Silver Sunrise Polarized is an extended wear lens. The perfect tool for dusk, dawn and cloudy day performance. Not suitable for driving. 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: Ferg XL feature an oversized square, matte black frame with sunrise silver mirrored polarized 580G lenses. Costa combines the best of bio-resin with corrosion-resistant metals to create this unique style. Made from Costas Bio-Resin nylon. The material is strong, allowing the frames to hold their shape in heat and cold weather, and our trifusion frame technology results in unique color combinations. 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