American River Choke Free Harness Sizing Chart
| Size | Chest Size | Weight (pounds) |
| XX-Small | 9 to 11 inches | 2 to 3 |
| X-Small | 11 to 13 inches | 4 to 6 |
| Small | 13 to 16 inches | 6 to 11 |
| Medium | 16 to 19 inches | 11 to 16 |
| Large | 19 to 21 inches | 16 to 25 |
| X-Large | 21 to 24 inches | 25 to 40 |
| 2X-Large | 24 to 27 inches | 40 to 50 |
| 2X/3X-Large | 27 to 30 inches | 50 to 60 |
| 3X-Large | 30 to 33 inches | 60 to 90 |
