ROCKBROS Photochromic Sunglasses for and More with UV Impact and Perfect for and Day and Night for Men and Women Cycling, Sports, Color-Changing

Photochromic lenses: Photochromic lenses automatically adjust their density depending on the strength of UV rays, providing optimal vision. When UV rays are strong, the lens color darkens, and when UV rays are weak, the lens color lightens. There is no need to change lenses depending on the sunlight, so you can use them anywhere and at any time of day. [UV Protection] The PC lens material's flexibility also improves impact resistance. UV transmittance: Less than 1.0%; UV protection: Over 99%! Effectively blocks harmful rays such as sunlight and UV rays, protecting your eyes. Reduce eye strain while allowing you to see the scenery more clearly. [Asian Fit] Ergonomically designed and ultra-lightweight, these glasses are comfortable to wear for long periods of time. They also reduce air resistance. The nose pads can be adjusted to fit Asian faces. [Advantages] The sunglasses come with a spare sports band that can be replaced with ear hooks. They won't slip off even during intense exercise. A single-point myopia inner frame is included, making them gentle on myopic people. The design is excellent. *Prescription lenses must be installed separately at your local eyeglass shop. [Application] Suitable for various outdoor sports such as cycling, fishing, running, hiking, tennis, golf, driving, etc. If you have any problems with the product, please contact us. We will do our best to provide you with a proper solution.