Men's HOT Fashion Driving Polarized Sunglasses for Men Al-Mg Metal Frame Ultra Light
● Lens Width: 67mm
● Lens Height:40mm
● Temple: 134mm
Frames made from aluminum are lightweight and highly corrosion-resistant. Aluminum is used primarily by high-end eyewear designers because of the unique look it creates.
Aluminum is the world's most abundant and widely used nonferrous metal (metal other than iron or steel). Pure aluminum is actually soft and weak, but commercial aluminum with small amounts of silicon and iron is hard and strong.