oakley kato style Kapvoe Photochromic Cycling Sunglasses UV400 Cycling Glasses Outdoor Bike Eye wear
The photochromic lens has the function of UV400, which will change color under direct sunlight
2.Discoloration occurs in about 1 minute in winter and about 40 seconds in summer.
3The speed depends on the sunlight and UV intensity! (If the UV intensity and temperature are low, the discoloration speed will slow down.)
Usage Guarantee:
The frames and lenses are unbreakable, so you can buy them without risk. If there is any problem with our cycling sunglasses, please feel
free to contact customer service to solve the problem until you are satisfied.