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 for a snug fit. 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”.
Note: If the dog has a stout build, select one size larger.
Recommended sizing by breed:
XX-Small: Teacup and dogs under 5 lbs
X-Small: Australian Terrier, Chihuahua, Pomeranian, Toy Poodle, Yorkshire Terrier
Small: Boston Terrier, Jack Russell Terrier, Maltese, Pug, Silky Terrier
Medium: Bichon Frise, Beagle, Cocker Spaniel, Corgi, Scottish Terrier
Large: Brittany Spaniel, Bulldog, Collie, Schnauzer, Springer Spaniel
X-Large: Doberman Pinscher, German Shepherd, Golden Retriever, Labrador Retriever, Rottweiler
XX-Large: Irish Wolfhound, Great Dane, Mastiff, Newfoundland, St. Bernard
| Size | Fits Length | Fits Necks | Fits Chests |
|---|
| XX-Small | Up to 6" | 6"-8" | 12"-14" |
| X-Small | 6"-8" | 8"-10" | 14"-16" |
| Small | 8"-12" | 10"-12" | 16"-18" |
| Medium | 12"-16" | 12"-16" | 18"-24" |
| Large | 16"-20" | 16"-20" | 24"-28" |
| X-Large | 20"-24" | 20"-24" | 28"-32" |