Size

Neck Girth

Breast Girth

Body Length

Breed

xsmall

7 1/8-7 1/2 in.

11 1/8-11 7/8 in.

5 1/2-6 3/8 in.

young puppy

small

8 3/4-9 1/8 in.

12 5/8-13 3/8 in.

6 3/4-7 1/2 in.

Chihuahua, Mini Pinscher

medium

9 7/8-10 5/8 in.

15-15 5/8 in.

9 1/2-10 1/4 in.

Toy Poodle,

large

11 1/2-12 1/4 in.

17 3/8-18 7/8 in.

10 5/8-11 1/2 in.

Maltese, Pekinese

xlarge

12 5/8-13 7/8 in.

19 3/4-20 7/8 in.

12 5/8-13 7/8 in.

Mini Schnauzer, Fox Terrier, Pug

xxlarge

14 5/8-15 3/4 in.

22 7/8-24 7/8 in.

15-15 3/4 in.

Pug, Cocker Spaniel, Bichon Frise