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

[LIGHTWEIGHT DESIGN FOR DAILY COMFORT] - The compact clip-on is designed for convenient everyday carry

while the arms remain securely in place

Bridge (DBL): 9/16"(15mm)

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

Polarized Lens Clip on Sunglasses C63 (54MMx34MM) +3.75 it will be change to[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