1. Metal frame 2. Plastic lens 3. Lens width: 53 millimeters 4. Lens height: 44 millimeters 5. Bridge: 12 millimeters 6. Arm: 145 millimeters 7. Weight: 45g 8. The sunglasses with HD lenses can filter out sunlight reflected glare, and protect your eyes from long term damage by blocking 99% of harmful UVA and UVB rays.