If your current frames feel tight at the temples or leave marks, you'll likely want our XL fit. XL frames are built wider through the temples and the front, so they sit comfortably on larger heads without pinching.

If your face is average-width or smaller, our XL fit may sit too far out on your face. Most customers do best in our regular fit. Try those first, and exchange to XL if they feel snug at the temples.

The bridge is the distance between your lenses (the second number in the size code). If frames slide down your nose, the bridge is too wide. If they sit too high or pinch, it's too narrow. Most adults sit between 18mm and 22mm.

Every frame has three measurements (lens width, bridge, temple length) printed on the inside of the arm. If you've got a pair of glasses you love, find those numbers and match them up against our sizes below.