Lens width: 51 mm | Lens height: 40 mm | Bridge: 20 mm | Arm: 138 millimeters
REAL UV400 PROTECTION- Includes 9 layers, block 100% harmful UVA (320-400 nm), UVB (280-320 nm) and UVC (100-280 nm) Rays, eliminate reflected light and scattered light.
PREMIUM COMPOSITE METAL TEMPLE- These temples are made of Al-Mg alloys from Brazil, which is widely used in aerospace science and digital products manufactures.