ATTCL Men's Al-Mg Metal Frame Driving Polarized Sunglasses for Men Silver-Silver 8177 metal frame Composite lens polarized Lens width: 66 millimeters Lens height: 40 millimeters Bridge: 21 millimeters Arm: 133 millimeters Al-Mg Metal frame, Polarized Shatterproof Polycarbonate lens Maximum UV 400 protection. Blocks 100% harmful UVA & UVB rays. Sight clearer, better anti-glare effect. ATTCL Mens Sunglasses are Fashion Cool Metal-Frame design for Driving, Golf, Cycling, Running, Fishing and all Active Outdoor lifestyles!