ROCKBROS Photochromic Sunglasses for Men Women Sports Cycling Glasses UV Protection Windproof Bike Glasses for Running

What is ROCKBROS Photochromic Cycling Sunglasses? The color of the lens will change with the intensity of the UV light. The stronger the UV light, the lenses will be darker . After you enter the indoor, the lens will slowly change back to transparent. You can test the lens with the UV pen before use. Product Details: Brand: ROCKBROS Material: TR+PC Lens Type: Photochromic Lens Weight: 32g Color: Black Package Contains:1 pair * cycling sunglasses + 1* hard shell case + 1* myopia frame + 1* cleaning cloth Superior Photochromic Technology: This photochromic lens is based on the intensity of sunlight and ultraviolet light, darkening the light grey lens.100% UV protection against brightness and shiny Ultra Strong Frame:Material called TR90 memory plastic, a strong and flexible material, which makes them extremely durable and can adjust fit all face shapes. Adjustable Nose Pads:With the adjustale rubber nose pads, and full rubber wrapped the temple,they will fit your nose and head well ,the whole glasses only 32g,Ideal sunglasses for fishing running golf cycling