| size | Girth Size - inches | Girth Size - centimetres | Weight |
|---|---|---|---|
| X Small | 16.5 to 20.5 inches | 41.9 cms to 52.1 cms | 12 - 20 lbs (5.4 - 9kg) |
| Small | 20 to 24.5 inches | 50.8 cms to 62.2 cms | 21 - 33 lbs (9.5 - 14.9 kg) |
| Medium | 24 to 28 inches | 61 cms to 71.1 cms | 34 - 60 lbs (15.4 - 27 kg) |
| Med/Large 3/4 | 26 to 32 inches | 66 cms to 81.3 cms | 40 - 75 lbs (18.1 - 33.9 kg) |
| Med/large 1 | 27 to 32.5 inches | 68.6 cms to 82.6 cms | 40 - 75 lbs (18.1 - 33.9 kg) |
| Large 1 | 32 to 40 inches | 81.3 cms to 101.6 cms | 71 - 130 lbs (32.1 - 58.9kg) |
| Extra Large 1 | 39 to 50 Inches | 99.1 cms to 127 cms | 131 - 200 lbs (59.3 - 90.6kg) |
If your dog falls within more than one size - pick largest size.