metal frame Composite lens polarized Lens width: 56 millimeters POLARIZED LENS - Polarized sunglasses reduce glare reflected off of roads, bodies of water, snow, and other horizontal surfaces. Restore true color, eliminate reflected light and scattered light and protect eyes perfectly. Polarized sunglasses cut glare and haze so your eyes are more comfortable and you can see better. STYLE-2016 Newest Brand Design,It is Suitable For Any Face, Show Your Unique And High-end Taste. Suitable- Houseboat ,Driving, Running, Fishing,Racing, Skiing and Climbing, Trekking and Business Or Other Outdoor Activities Enthusiasts