Back: Measure length of pet’s back from the base of the neck to the base of the tail. See below for estimating by breed.
Neck: Measure the circumference of pet’s neck, snug but not tight. No need to add inches as you would with a collar.
Chest/Girth: Measure girth around the broadest part of the chest and add 2”.
X-Small: Cat, Yorkshire Terrier, Chihuahua, Maltese, Italian Greyhound
Small: Beagle, Boston Terrier, Cocker Spaniel, Pug
Medium: Basset Hound, Bulldog, Keeshond, Norwegian Elkhound, Dalmatian
Medium-Large: Boxer, Standard Poodle, Golden Retriever, Labrador
Large: Afghan, Doberman, German Shepherd, Irish Setter, Rottweiler, Collie
X-Large: Great Dane, Great Pyrenees, Greyhound, Mastiff, Saint Bernard
| Size |
Fits Base of Neck to Base of Tail |
Fits Necks |
Fits Chests |
| X-Small |
Up to 8" |
8"-10" |
10"-14" |
| Small |
8"-12" |
10"-12" |
14"-16" |
| Medium |
12"-16" |
12"-14" |
16"-20" |
| Large |
16"-20" |
14"-17" |
20"-24" |
| X-Large |
20"-24" |
17"-20" |
24"-32" |
Recommended breeds: X-Small: Toy Poodle, Yorkshire Terrier, Chihuahua, Pomeranian; Small: Silky Terrier, Boston Terrier, Maltese, Jack Russell, Pug; Medium: Cocker Spaniel, Scottie, Bichon, small Beagle, Corgi; Large: Springer, Brittany, Border Collie, Dalmatian; X-Large: Golden/Labrador Retriever, German Shepherd, Doberman, Rottweiler. If dog is larger or smaller than breed standard, adjust size up or down accordingly.
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