Item Features: Accurate Fit - precision cut and ensure fitness to your frame. Real Polarized - Reduce glare, enhance contrast, and provide full UV protection. Superior Protective Coating - Anti scratch surface protective coating for added durability. High Impact Resistance - Can provide outstanding performance for specific environments and activities. Unique View Tint - With upgraded front and back hardness coating, different colors of lenses will offer different view tints that are comfortable for eyes under special environment, also keep the original nature colors without loss. Professional After-sales - 24-hour online Services,365-day manufacturing replacement.