Note:

1. Color change time: Winter-1 minute, Summer-40 seconds.

2. Speed depends on sunlight and UV intensity!

3. The rate of discoloration is related to the intensity of ultraviolet light and temperature. (If the UV intensity and temperature are low, the speed of discoloration will become slower).


Package Include:

1 * Photochromic Cycling Glasses 

1 * Eyeglasses Rope

1 * Glasses Bag

1 * Glasses Cleaning Cloth

1 * Glasses Case