● metal frame ● glass lens ● non-polarized ● Lens width: 50 millimeters ● Bridge: 21 millimeters ● CLASSIC DESIGN – Pro Acme circle sunglasses are totally retro. This look has been worn by legendary musicians and inspired by the 1960s counter-culture when this style first originated. The Pro Acme unisex metal, iconic sunglasses are known for their defined round crystal lenses and distinct shape. A curved brow bar, adjustable nose pads, and thin metal temples with plastic end tips rest comfortably behind the ears. ● REVO CRYSTAL LENSES- A higher form of Crown Glass, delivering outstanding optics and spectral performance. The Crystal lens is ground and polished to about the same standard of a camera lens – the clearest optics available. Scratch resistant, Color and contrast enhancement. Flash mirror lens is available. Etched Pro Acme Brand Logo at lens. ● PREMIUM PACKAGE – Comes with Leather Case, Gift Box, Microfiber Pouch, Microfiber Cleaning Cloth, User Manual and Tag. ● 30 DAYS MONEY BACK GUARANTEE – 100% Satisfaction Guaranteed. Please just let us know if you're not happy with your purchase within 30 days, and we'll take care of you. You have no risk to try. ● PRODUCT DIMENSION – Lens width:50mm (1.97") | Lens height:45mm (1.77") | Bridge width:21mm (0.83") | Arm length:145mm (5.71")