WWII USAAF A-4 Watch Cap - Olive
Size Charts
inches
cm
| Size | Perimeter |
| Free Size | 22" - 24.4" |
Wrap the tape measure snugly from the two fingers above the eyebrow around to the widest part of the back of the head
Sizes can vary from 2-3 centimeters because they are measured by hand. (1 inch=2.54 cm)
The size matched on a label can differ from the one you have ordered.