Men Women Polarized Anti-glare Sunglasses Photochromic
Aluminum - Magneisum frameTAC photochromatic lensPolarized lensScratch Resistant Coating coatingLens width:62mmcoolpandas Photochromic lens -- adjust the transmittance through the discoloration of the lens, Lenses are slightly tinted(light gray) when indoors or at night and the lenses gradually darkens as it is exposed to ultraviolet light, but lenses are keeping the transmittance. So eyes can adapt to changes in the ambient light, reduce visual fatigue, and protect the eyes, keep the eyes always the most comfortable state.