metal frame
TAC photochromatic lens
polarized
Scratch Resistant Coating coating
Lens width: 59 millimeters
Bridge: 15 millimeters
FEISEDY 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.
FEISEDY Classic Polarized Photochromic Sunglasses Driving Photosensitive Glasses B2444