Attention: The world's first photochromic frame glasses, the frame and lenses will change color in the sun, turning into another color of glasses UV400 Photochromic Cycling Glasses Facing the most difficult exercises and events, their unique quality and style. This model is focused on sports, but has a hybrid design and can be used casually. With UV400 protection. In addition to a single lens, it also has maximum visibility. Photochromic-1 lens configuration: 1*photochromic lens 1*myopia frame 1*glasses case 1*glasses bag 1*glasses cloth -UV400 treatment lens (UV-A and UV-B protection) -Smoked multilayer lenses (high impact resistance) -Aerodynamic design of curved frames (more styles) -Anatomy (greater fixation and safety) -Provided suitcase and flannel for transportation -Extremely light weight: 30 grams