SHINE IN THE MAUI JIM LOCAL KINE POLARIZED SUNGLASSES.Built with thicker temple material and Maui Jim's world-renowned polarized lenses, The Maui Jim Local Kine Polarized Sunglasses will keep you safe while you do everything you love. Featuring SuperThin Glass lenses, these glasses will ensure that you have the best optics available while staying scratch and solvent resistant. FEATURESThis model features a Wrap Around shape, with a Single Bridge.This frame features a spring hinge, which keeps its initial balance and adjustment, thereby avoiding the need for subsequent adjustments.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.