Sizing Guide:
(See below for recommended sizing by breed)


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      Length      Fits Neck       Fits Chest
Teacup      6"           6-8"               8-10"
XXS            8"           8-10"            10-14"
XS             10"          9-12"             14-16"
S               12"         10-14"            16-18"
M              16"         12-16"            18-24"
L               20"         16-20"             24-30"