Polo PH3133 is a Full Rim frame for Men, which is made of Metal. Most metal frames are made out of Monel. Monel has a copper and nickel base. This metal can be corrosion resistant, strong, and easily adjusted. It retains its stability and shape. This model features an Oval shape. Ideal for usage with: Fashion, Everyday Driving. 100% UV PROTECTION: To protect your eyes from harmful UV rays, these mens sunglasses include lenses that are coated with 100% UV protection. MULTIPLE FRAME AND LENS COLORS: Choose from multiple frame colors, lens colors and lens treatments. Find a color combination that fits your personal brand and style. CASE & CLEANING CLOTH INCLUDED: Each pair of Polo Ralph Lauren sunglasses come with a cleaning cloth and case to clean and protect your sunglasses from scratches and damage. LIMITED WARRANTY INCLUDED: Polo Ralph Lauren sunglasses sold by authorized sellers, like Amazon.com, are eligible for all manufacturer warranties and guarantees. VISIT THE POLO RALPH LAUREN BRAND SHOP: Click on the Polo Ralph Lauren link above the product title to shop the entire Polo Ralph Lauren sunglass and eyeglass assortment.