Liberty Sport Rider Dry Eye Sun Performance is a Full Rim frame for Men and Women, which is made of Injected Nylon.Nylon is a thermoplastic material that is blended in order to counteract its initial brittleness. Nylon blends are lightweight, stable, and resistant to breakage. Nylon has less of a tendency to "bleed" it's plasticizers resulting in great hypoallergenic properties. This model features a Rectangular/Wrap Around shape, with a Single Bridge.The Liberty Sport Rider Dry Eye Sun Performance Sunglasses feature the following logo: Liberty name engraved in inset plaqueThese Sunglasses work well for people whose style is: Sporty.Ideal for usage with: Cycling, Motorcycle.These sunglasses can accommodate prescription lenses. Please call our Customer Service Department to order prescription lenses for this model.Liberty Sport Rider Dry Eye Sun Performance Sunglasses come with a cleaning cloth and protective carrying case.