In 1985 Revo adapted NASA technology and integrated it into its own fashionable sunglass designs. While they always look good, Revo sunglasses are made for active adventurers who demand that their sunglasses be more than just accessories but also irreplaceable assets in their collection of gear. Revo's proprietary High Contrast Polarized lenses reduce glare and provide 100% UV protection, and its Motion-Fit frames provide unparalleled comfort and a clear field of vision.Revo Bearing (RE4057) is a Full Rim 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 a Wrap Around shape, with a Single Bridge.This model features the following temple detail: Revo logo on temple. This frame features a spring hinge, which keeps its initial balance and adjustment, thereby avoiding the need for subsequent adjustments.These Sunglasses work well for people whose style is: Stylish Designer.Ideal for usage with: Fashion.Revo Bearing (RE4057) Sunglasses come with a cleaning cloth and protective carrying case.