Lenses: Grey Tint Lenses Reduce the Overall Amount of Brightness with Least Possible Color Distortion, and is a great pick for everyday use. Filter Category 3. UV-400 (blocks 100% of UVA and UVB radiation). HEV Attenuation. Impact Resistant Optical Grade Polycarbonate.
Frame: Size 55-21-139. Shatter-proof Polycarbonate Material (best combination of strength, durability, and weight) with SGS Certificate. Spring Hinges for Secure Grip and Maximum Comfort.