The Wiley X Ovation Polarized Sunglassessets the standard for durability, protection, and style. Featuring an ANSI Z87.1+ safety rating and our innovative swivel side shields that can be easily added for additional protection, the WX Ovation is built for versatility and maximum performance. Crystal-clear vision, unbeatable protection, and everyday wearability make the WX Ovation the ultimate choice for those who demand a single pair of sunglasses that dominates in any situation. FeaturesActive 6 Series - A flatter 6-base lens profilePermanent and Removable Side Shields - Easily snap into place to meet ANSI Z87.1+ Safety StandardsShatterproof Selenite Polycarbonate Lenses - Unmatched durability and impact resistanceDual-Injected Rubber Temples - Ensure these frames stay putTriloid Nylon Frame - The toughest non-metal material available