| Size | Weight | Neck Opening | Base of Neck to Butt | Over the Back | Belly Strap |
|---|---|---|---|---|---|
| Extra Small | 60 - 90 lbs. | 10-1/2" | 28" | 16" | 14" |
| Small | 80 - 120 lbs. | 12" | 29" | 17-3/4" | 14" |
| Medium | 110 - 140 lbs. | 12-3/4" | 31-1/4" | 19-1/2" | 14" |
| Large | 130 - 170 lbs. | 13-1/4" | 33-3/4" | 21-3/4" | 14" |
| Extra Large | 160 - 190 lbs. | 12" | 36-1/2" | 22-1/4" | 14" |