Sunglass-size

XS
S
M
L
Sunglass frame dimensions guide
How to measure your frame

Frame width straight across the front from one outer edge to the other

Lens width left edge to right edge of one lens

Bridge width distance between the lenses at the nose

Temple length length of the arm from hinge to tip

Size Frame width Lens width Face fit
XS Up to 128 millimeter Up to 49 millimeter Narrow fit
S 129 to 132 millimeter 50 to 51 millimeter Slim fit
M 133 to 138 millimeter 52 to 54 millimeter Regular fit
L From 139 millimeter From 55 millimeter Roomy fit

Tip: if you already wear glasses or sunglasses that feel comfortable check the numbers printed inside the temple arm they usually show lens bridge and temple in millimeter match the frame width and lens width with the chart above.