[Size] -- Lens Width: 64mm(2.5') | Frame Height: 44mm(1.73') | Frame Width: 138mm(5.43') | Nose Bridge: 16mm(0.62')| Leg Length: 143mm(5.62'). [ Polarized Lens] -- UV400 Protection Coating blocks 100% of harmful UVA & UVB rays. Visually restores true color, eliminates reflected or scattered light. polarized triacetate lenses are impact and scratch resistant, lightweight and durable [Al-Mg Metal Alloy Frame] -- Sunglasses frame use of advanced high-quality materials ,aluminium-magnesium alloy, Its hardness is several times of other traditional plastic sunglasses, weights only 25g, but they are scratch resistant, durable and unbreakable. [Occasion] -- ideal for cycling, driving, running, fishing, racing, skiing, climbing, and all outdoor activities enthusiasts. [Service] -- If you have any problem, feel free to contact us.