ROCKBROS Bike Photochromatic glasses
Attributes lenses: Photochromatic
Color: Black Red, White Red, Blue Green
Weight: About 120g/pair
Lens Material: Polycarbonate
Material frame: Polycarbonate Frame
There are frames for fixing ordinary lenses
1 glasses cleaning cloth
1 glasses bag
1 Inner frame for shortsighted lenses
1 glasses box
1 glasses case
Protection cyclist eyes from UV-400 UV (100% of UV protection)
Non-slip nose pads is adjustable.
Purpose: cycling, skiing, sledding children, fishing ,Running ,and all outdoor sports
Color change time:winter- 1 minute ,summer-40 seconds. Speed depends on sunlight and UV intensity!
The rate of discoloration is related to the intensity of ultraviolet light and the temperature.
(if UV intensity and temperature is low, The speed of discoloration will become slower).