Polarized lens

Frame width: 5 5/16" (135mm)

it will be change to grey color in the sunshine within 10 minutes

Lens width about 2 inches (51mm)

Frame width about 5 3/4 inches(146mm)

Polarized Lens Clip on Sunglasses C63 (54MMx34MM) +3.75 Polarized lens[READERS & OUTDOOR CHALLENGES] If you wear readers, spending time outdoors often means switching between clear lenses and sunglasses. Bright sunlight and reflected light from roads, water, and other surfaces can make driving, fishing, hiking, and daily activities less comfortable while reducing viewing clarity. [EYEKEEPER CLIP ON POLARIZED LENS SYSTEM] The clip on design quickly converts compatible readers into sunglasses whenever needed. TAC