YUFENRA Aluminium Magnesium Alloy Frame Aviator Polarized Sunglasses for Driving metal frame plastic lens polarized Lens width: 65 High Quality Aluminium magnesium alloy frame TAC(Traiacetate Cellulose) Lens: They are hard coated to resist scratching and very lightweight and highly impact resistant. 9 Layer polarized lens,UV400 Protection. Lightweight Measurements: Lens wide: 65 mm,Lens Height:48 mm, bridge: 12 mm, Arms: 133 mm