| Size | Neck | Width |
|---|
| S | 38–49 | 2.5 |
|---|
| M | 41–56 | 3.0 |
|---|
| L | 47–65 | 3.5 |
|---|
All measurements in cm.
Measure around the middle of the neck where the collar sits. Choose the size where your measurement sits nearest the middle, so there are spare holes either side. Once buckled, two fingers should slide flat under the collar.