Color Changing Photochromic Polarized Ultra Lightweight Thermont Sunglasses Case Cleaning Cloth Set Lens Color Changes in Reaction to UV Rays UV400 UV

[Product Contents]: 1 photochromic polarized sunglasses, 1 case, 1 cleaning cloth [Color]: Black [Lens color changes] The lenses change color in response to ultraviolet rays. When you go outdoors, they are colored, and when you go indoors, the lens color gradually fades. (The color is light black indoors and darker outdoors, but please note that it is not completely black.) [Useful in a variety of situations] Photochromic lenses change color depending on the amount of UV rays, providing optimal visibility by changing to the appropriate lens color and density for various situations. These revolutionary lenses can be worn in all weather conditions and at night. [UV400 Protection] The anti-glare effect and UV400 protection help prevent eye fatigue and wrinkles around the eyes. [Ideal for sports and outdoor activities] In addition to protecting against sunburn, it can be used widely in all seasons, such as when driving a car or riding a motorcycle, fishing, cycling, and other sports and outdoor activities. It can also be used to prevent eye fatigue. [Lens color changes] The lenses change color in response to ultraviolet rays. When you go outdoors, they are colored, and when you go indoors, the lens color gradually fades. (The color is light black indoors and darker outdoors, but please note that it is not completely black.)