ROCKBROS Occhiali da sole da ciclismo auto-oscuranti Protezione fotocromatica UV400

Anti-blue light lens suitable for working in front of the computer. Otherwise, this photochromic lens can become lighter or darker depending on the lighting conditions. Particularly suitable for outdoor sports, e.g. cycling. With TR90 frame: The frame made of TR90 ensures a flexible fit for different facial contours. The rubber nose pads are adjustable. They can be adjusted to the expected angle. UV400 protection: The transparent sunglasses with UV400 lenses protect your eyes from UVA, UVB and UVC radiation during outdoor activities such as cycling, fishing, golf, running, etc. (Can be used at night.) Lightweight: Only 30 grams, low weight of the lenses. PC-made lenses and frames are processed into durable photochromic ROCKBROS cycling glasses. Notes: Transmission from 80% to 18% (80% is light gray color in low UV, 18% is dark gray color in high UV). Color change time differs from sunlight intensity.Winter for about 3 minutes, summer for about 2 minutes.