Material:Frame: Metal; Lens: Polycarbonate (Non-Prescription) Scratch Resistant Coating coating Lightweight,Stylish and Durable Suitable Scene-Lightweight design is ideal for motorcycle and cycling bicycle, driving, running, fishing, racing, skiing, climbing, trekking or other outdoor activities. Lenses – All the lens 100% UV400 protection coating, blocks 100% harmful UVA & UVB Rays. Restore true color, eliminate reflected The Iconic Details - One-piece nose pads design makes it will not oppress nose bridge. Special design legs is quite match ergonomics and has anti slip performance, ensures sunglasses comfortable to wear.