Photochromic Cycling Glasses - Sports Sunglasses Color:style 5 10161 Case Material: Stainless Steel

Case Material: Stainless Steel

Selling Point

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Photochromic Cycling Glasses - Sports Sunglasses Color:style 5 10161 Case Material: Stainless SteelProduct Features 1. Hydrophilic Rubber 2. Acetate Frame 3. Polycarbonate Lens 4. Unpolarized 5. 100% UV Protection 6. Adjustable non slip nose and Ear pads case included Note: Normally, the stronger the uv rays, the darker the lens 1. Color change time: winter 1 minute, summer 40 seconds. 2. Speed depends on sunlight and UV intensity! 3. The rate of discoloration is related to the intensity of ultraviolet light and the temperature. (if UV intensity