HDCRAFTER Classic Metal Frame Driving Polarized Aviator Sunglasses for Men and Women metal frame Composite lens polarized Lens width: 57 millimeters Lens height: 50 millimeters Bridge: 20 millimeters Arm: 130 millimeters ANTI-OXIDANT METAL FRAME  Our brand of sunglasses for men have an antioxidant plating frame, so it will not be scratched easily on the frame. MEASUREMENT  The cheap mirrored reflective sun glasses have a measurement specification of Lens Height: 50mm (1.97 inches) Lens Width: 57mm (2.24 inches) Nose Bridge: 20mm (0.79 inches) Temple Length: 130mm (5.12 inches) Frame Length: 140mm (5.51 inches) LIGHTWEIGHT AND FLEXIBLE  The aviator sunglasses are light-weighted for ergonomic wear and stresses free even when you put it on for a day long. Also, the arms are elastic with spring hinges that can adjust the size to suit the persons with large head or big face. POLARIZED LENS  The vintage retro mens sunglasses polarized lens of UV400 is designed for your eyes health during driving at day or night, fishing, hunting, general outdoor sport activities to help prevent direct sunlight or other brilliant light from your eyes 100% by reducing glare by blocking reflection, UVA, UVB, UVC rays. Also, bifocal polarized sunglasses make images to appear sharper, clearer, increase your visual clarity and night vision to see clearly and for your comfort. RISK FREE PURCHASE  All HDCRAFTER Sunglasses is backed by a LIFETIME warranty on frames and lens as well as a 30-Day Money Back Guarantee when purchased from authorized dealers. So if you are not completely happy with your purchase for whatever reason, we'll do whatever it takes to make it right.