Liberty Sport IT-20 Illusion Technology is a Semi-Rimless frame for Men, 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 an Oval shape, with a Single Bridge.The Liberty Sport IT-20 Illusion Technology Sunglasses feature the following logo: NoneThese Liberty Sport IT-20 Illusion Technology Sunglasses flatter people with the following facial features: Long Nose, Wide Head.These Sunglasses work well for people whose style is: Sporty.Ideal for usage with: Golf, Cycling, Jogging, Motorcycle, Baseball.These sunglasses can accommodate prescription lenses. Please call our Customer Service Department to order prescription lenses for this model.Liberty Sport IT-20 Illusion Technology Sunglasses come with a cleaning cloth and protective carrying case.