KKD Polarized Photochromic UV 8726 Polarized Photochromic Color-Changing Sunglasses, Metal, Square, Lightweight, Protection, (Gunmetal, Yellow/Smoke)

These polarized photochromic sunglasses combine two functions: polarization and photochromic. They reduce glare while maintaining a clear field of vision. Polarized function: Suppresses scattered light reflected from buildings, roads, water surfaces, etc., reducing glare and providing a clear view. Dimming function: The stronger the sunlight (ultraviolet rays), the darker the color becomes, reducing glare. Frame size: 52mm x 19-145mm. Overall width: 138mm (spreads comfortably to 150mm at the temples). Lens width: 52mm. Lens height: 33mm. Temple length: 145mm. Weight: 15g. Classic square metal frame with lightweight TR90 temples for comfortable wear. KKD Color-Changing Polarized Photochromic Sunglasses, Metal, Square, Lightweight, UV Protection, 8726