Duco Men's Aviator Style Classic Polarized Sunglasses 3025C (Black Frame Gray Lens) metal frame TAC lens polarized TAC polarized lens, 100%UV protection;Lens width:60mm-lens height:54mm-bridge width:15mm-arm length:145mm. Frame:Made of Metal,TR-90 frame,the healthy material is no harm to human body. Polarized lens is very good for driving,sports and other outdoor leisure. The aviator style Sunglasses collection remains true to its classic heritage while continuously evolving to meet today's fashion demands. Comes with a 1-year limited warranty against manufacturing defects