Case Included Lenses are prescription ready (Rx-able) The Hoven Ritz Polarized Sunglasses' large lenses, wide temples, and thick arms provide the burly look you want from a pair of shades. Impact-resistant polycarbonate lenses and stainless steel hinges ensure plenty of durability, so you don't have to treat these Hoven sunglasses like they're fine china or something. As a finishing touch, Hoven added medal icons on the sides. Nothing less would do for a pair of shades like the Ritz.Product FeaturesFrame: Grilamid Hinge Type: Stainless steelLens: PolycarbonateInterchangeable Lens: No Polarized: Yes Face Size: LargeCase Type: Nose Pads: NoArm Pads: NoRecommended Use: StreetwearManufacturer Warranty: 1 Year