Question 1

What glasses fit a 63 cm head?

Accepted Answer

You need 150+ mm temples and a 160+ mm front. Mainstream tops out around 148 mm temples on a 148 mm front — the arms overshoot before they reach the ear.

Question 2

Is head circumference the same as face width?

Accepted Answer

No. Face width is temple-to-temple across the front; circumference wraps the whole head. A wide face doesn't always mean a large head, and vice versa — but XXL usually needs both.

Question 3

How do I measure my head circumference?

Accepted Answer

Wrap a soft tape just above the ears, across the forehead. Use the hat-size calculator to convert to US/EU hat sizes.