| Size | Weight | Neck Opening | Base of Neck to Butt | Over the Back | Belly Strap |
|---|---|---|---|---|---|
| Extra Small | 60 - 90 lbs. | 11" | 27-3/4" | 14-1/2" | 14" |
| Small | 80 - 120 lbs. | 11-3/4" | 29" | 17-3/4" | 14" |
| Medium | 110 - 140 lbs. | 11-3/4" | 32" | 18-1/2" | 14" |
| Large | 130 - 170 lbs. | 12" | 36-1/2" | 21-1/4" | 14" |
| Extra Large | 160 - 190 lbs. | 12-1/4" | 38-1/4" | 22" | 14" |