| Size and Weight (lbs) |
Neck (inches) |
Chest (inches) |
Breed |
| Mini, <10 |
7.8 - 8.7 |
9.8 - 11.8 |
Chihuahua, Yorkshire Terrier, Pomeranian, Maltese |
| Small, 8-17 |
7.8 - 9.4 |
11.4 - 14.1 |
Jack Russell Terrier, Pekingese, Maltipoo, King Charles Spaniel |
| Medium, 15 - 35 |
9 - 11 |
13.8 - 16.5 |
Cocker Spaniel, Beagle, French Bulldog, Pembroke Welsh Corgi |
| Medium, 30-65 |
11.8 - 13.4 |
18.1 - 20.9 |
Bulldog, Standard Poodle, Husky, Pitbull, Dalmatian |
| Large, 45-85 |
17 - 18.9 |
29.9 - 33.1 |
Boxer, Labrador Retriever, Schnauzer, Basset Hound |
| Large, 50-100 |
18.5 - 20.5 |
34.6 - 38.2 |
German Shepherd, Bull Terrier, Old English Sheepdog |
| X Large, 75-140 |
20.5 - 24.4 |
36.2 - 39.4 |
Rottweiler, Great Pyrenees, Newfoundland |
| Huge, 120-200 |
24.4 - 28 |
36.4 - 43.0 |
St. Bernard, Leonberger, Mastife, Great Dane |
