Metal frame
Composite lens
polarized
Lens width: 2.5 inches
Ergonomic design:After more than 100,000 times of real-life wearing tests to achieve the most comfortable wearing effect.
Superior Metal Frame:Aluminum-magnesium metal alloy make it strong and durable,fine Texture but feeling lightly&smoothly on ears,flexible "legs" suit for both man and woman.
High quality lens:Geman technology,anti-reflective and polarized, effectively eliminate glare and reduce eye fatigue, improve color clarity and optical definition for safe driving.