
Be sure to measure your dog's girth correctly. Measure the length around the largest part of your dog's chest to determine its girth.
| Vest Size |
Approx. Girth |
Common Breeds |
| XX-Small |
10 - 11 Inches |
Very small and/or puppy dogs. Dogs under 5 pounds. |
| X-Small |
12 - 13 Inches |
Chihuahua, Toy Poodle, Yorkshire Terrier, Maltese |
| Small |
14 - 15 Inches |
Bichon, Shih-Tzu, Dachshund, Pomeranian, French Bulldog |
| Medium |
16 - 17 Inches |
Cocker Spaniel, Bulldog, Beagle, Shiba Inu, Pug |
| Large |
18 - 19 Inches |
Boxer, Pitbull, Golden Retriever, Border Collie, Huskie |
| X-Large |
20 - 23 Inches |
German Shepherd, Rottweiler, Labrador, Doberman |
| XX-Large |
23 - 31 Inches |
German Shepherd, Rottweiler, Labrador, Doberman, Mastiff, Great Dane |
Each size of the winter service dog / ESA vest mesh is adjustable to within a few inches, however it's always best to measure
your dog's girth accurately to ensure a comfortable fit. But don't worry - if you order the wrong size,
exchanges are free.