Photochromic Driving Sunglasses with Polarized Lens For Riding Outdoor Men's Accessories from Apparel Accessories on Banggood.com
About this Deal
Lightweight Al-Mg Alloy Metal frame.
Adjustable temple, nose pad and flexible arm bring you a better and comfortable wearing.
UV 400 Protection: The sunglasses block all three ranges of ultraviolet radiation: UVA, UVB and UVC and protect the human eye 100% from harmful effects of the sun rays.
Photochromic Polarized lenses: The lenses reduce irritating reflections and glare caused by light reflected from surfaces such as water, road, sand or snow. They absorb 100% of UV light and eliminate 99% glare light.
PHOTOCHROMIC POLARIZED LENS, The lenses are dark in bright sunlight, but clear in low ambient light conditions.
Because some customers do not know how to test lens discoloration, we explain more to know how to test.
Please put the sunglasses under the sunshine keeping 10-15 seconds, then it will change color darker. (Remember it is sunshine but not cloudy or rainy)
You can use UV light to test , the lens will change darker .
Please know one thing, Do not test discoloration in cloudy weather or indoor. Since The discoloration of the lens is caused by ultraviolet radiation.