Ronsou Driving Pilot Aviator Polarized Sunglasses Mirror Metal Frame Imported metal frame composite lens polarized Lens width: 60 Lens height: 50 Bridge: 17 Arm: 140 100% UVA and UVB protection Polarized Lenses which are powerful anti-glare Al-Mg alloy frame are ultra light and high-grade material. Spring Assisted Temple made comfortable to wear, even for big head