| Size | Neck | Width | Breed examples |
|---|
| S | 25–31 | 4 | Whippet, Italian Greyhound |
|---|
| M | 30–36 | 4 | Whippet, small Lurcher |
|---|
| L | 35–43 | 5 | Greyhound, Lurcher, Saluki |
|---|
All measurements in cm.
Measure around the middle of the neck, where a wide hound collar sits. Two fingers should slide flat under the collar.