AL-MG ALLOY FRAME: The frame is made of Al-Mg alloy, which is light, durable and anti-corrosion. You can get a comfortable feeling and won't be fatigued even after a long time wearing thanks to the light and ergonomic-designed frame.
THICKENING & STRENGTHENING POLARIZED LENSES: After strengthening and thickening process, the polarized lenses can not only offer more effective UV 400 protection for your eyes, but also make the sunglasses more durable and create a better high definition vision.