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 Converge RE4064 is a Full Rim frame for Men, which is made of 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. It can be blended with polyamides,grilamid, or trogamid. This model features a Rectangular shape, with a Single Bridge.The Revo Converge RE4064 Sunglasses feature the following logo: A Revo label plaque is displayed on the templeThis 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: Sporty.Ideal for usage with: Water Sports, Golf, Everyday Driving, Salt Water, Fresh Water.Revo Converge RE4064 Sunglasses come with a cleaning cloth and protective carrying case.Revo's patented Motion-fit™ system precisely positions sunglasses to three points of contact in order to provide a fit that’s free of unwanted pressure points.These sunglasses are available with polarized lenses on certain colors. Polarized lenses have a filter within the lens that blocks the wavelengths of light that cause glare. They can greatly enhance contrast and allow for greater depth of vision, especially in water. They are ideal for any situation where glare reduction is necessary, like driving or playing sports.