Answer three quick questions about your face shape and how you wear your sunglasses — we'll narrow 2,400 frames down to the dozen that'll actually look right.
Upload a photo of a pair you already wear and love. Pick the lens width — usually printed on the inside of the temple, e.g. "54□18 145" means 54 mm lens, 18 mm bridge.
The horizontal width of one lens. Most adult frames are 50–56 mm.