Premium Pilot Aviator Polarized Sunglasses UV400 with Spring Hinges

Premium Pilot Aviator Polarized Sunglasses UV400 with Spring Hinges   Features: Aluminum-Magnesium Alloy(Ultra light and Durable) frame Composite lens Polarized Mirror Coating coating Lens width: 62 millimeters Lens height: 52 millimeters Bridge: 12 millimeters Arm: 136 millimeters AVIATION GRADE ALUMINUM MAGNESIUM ALLOY FRAME.Compared with ordinary alloy frame, they are: ★Super Light! The Sunglasses weigh only 23g! The half weight of the normal metal frame sunglasses. ★More durable! The material makes the welding point very firm and tough, the frame won't deformed and snapped easily. ★Safer! Aviation grade high safety level material, hypoallergenic, safe to wear! UV400 & POLARIZED LENS.Specialized 9-layer lens designed to filter and block over 99.99% of glare. UV400 protection coating blocks 100% harmful UVA & UVB & UVC Rays. Polarized lens reduce glare reflected off of roads, bodies of water, snow, and other horizontal surfaces. Restore true color, eliminate reflected li