The Maestro never settles for second best and with the newest addition to the Maestro line, you'll see why. These eyeglasses provide a sophisticated and stylish look. The temples and frames are handcrafted with cellulose acetate. The lenses are scratch-resistant, anti-glare, and made with triacetate cellulose to provide maximum optical clarity. Spring Hinges provide great comfort and fit, and the glasses have an overall lightweight construction for comfortable all-day wear. Lens: TAC Polarized Lens with Superior Optical Quality Coating: Anti-Glare, Scratch-Resistant and Impact-Resistant UV Rating: 100% UVA/UVB Protection Blue-Light Blocking: Yes Frame: High-Quality Tritan-Injected Plastic Frame with Injection-Molded Cellulose Propionate Temple Tips Hardware: Customized Barrel Hinges and Akulon-Coated Screws for Durability; Spring Hinges for a Flexible Fit Includes: Foldable Case