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Item specifics
Product Description
Color Changing Lens Cycling Glasses Photochromic Polarized Sports MTB Bike Sunglasses Riding Fishing Bicycle Eyewear AC0256Check for discoloration: wrap one side of the lens with a glasses cloth, and then place it in the sun. After a period of time, remove the glasses cloth and observe the discoloration of the glasses. The last 2 dark green glasses are metal frames If you have any questions, please contact us immediately The intelligent color-changing feature provides good light-transmittance and clear vision. Principles of discoloration: In ultraviolet light, the radiation will cause a chemical reaction that changes the lenses uniformly. |