| Size | Neck (INCHES) | Chest (INCHES) | Back Length (INCHES) | Weight (POUNDS) |
|---|---|---|---|---|
| XXS | 10.2 - 11.8 Inches | 12.9 - 15.3 | 11.8 -12.9 | 6.6 - 11 pounds |
| XS | 11.4 - 12.9 | 16.5 - 18 | 13.3 - 14.5 | 11 - 16.5/17.6 pounds |
| S | 12.9 - 14.1 | 18 - 19.6 | 14.5 - 15.7 | 16.5/17.6 - 22 pounds |
| M | 14.1 - 15.3 | 19.6 - 21.2 | 16.1 - 16.9 |
22+ pounds |