1. High definition nylon polarizing lenses, anti glare, clear and not dazzling
2. UV400 protection, effectively blocking strong ultraviolet light
3. 8 layers of anti-reflection coating to improve light transmittance and reduce visual fatigue
4. Aluminum magnesium frame, strong and light, durable
5. Spring temples, automatically adjust to fit the face shape
6. Dimensions: 43x149mm
7. Weight: about 23g