The breeds listed in this section are averages, some dogs may be smaller or larger than average so it's always a good idea to have an actual measurement for reference.
| Breed |
Weight (lbs) |
Neck size |
Chest size |
Collar size |
Harness size |
| Bichon Frise |
10-14 |
10-16″ |
16-19" |
S |
S |
| Border Terrier |
11-16 |
11-14″ |
16-19" |
S |
S |
| Cavalier King Charles Spaniel |
13-18 |
10-14″ |
14-20" |
S |
S |
| Chihuahua |
3-7 |
8-14″ |
12-18" |
XS/S |
XXS/XS |
| Chinese Crested |
5-10 |
8-11″ |
12-18" |
XS |
XXS/XS |
| Dachshund, Mini |
9-15 |
8-14″ |
12-14" |
XS/S |
XXS/XS |
| Fox Terrier |
14-18 |
10-16″ |
14-20" |
S |
S |
| Havanese |
7-13 |
8-14″ |
14-20" |
XS/S |
XXS/XS |
| Italian Greyhound |
7-12 |
8-11″ |
15-19" |
XS |
XS/S |
| Jack Russell Terrier |
9-15 |
10-14″ |
14-20" |
S |
XS/S |
| King Charles Cavalier |
13-18 |
10-14″ |
14-20" |
S |
XS/S |
| Maltese |
6-9 |
10-14″ |
12-18" |
S |
XXS/XS |
| Maltipoo |
5-20 |
8-14" |
12-14" |
XS/S |
XXS/XS |
| Papillon |
8-11 |
8-12″ |
12-14" |
XS/S |
XXS/XS |
| Pekingese |
8-10 |
12-16″ |
14-20" |
S |
XS/S |
| Pinscher, Mini |
8-12 |
8-11″ |
15-18" |
XS |
XS/S |
| Pomeranian |
9-13 |
10-14″ |
12-14" |
S |
XXS/XS |
| Poodle, Toy |
12-17 |
8-14″ |
15-18" |
XS/S |
XS |
| Schipperke |
11-18 |
10-14″ |
12-14" |
S |
XXS/XS |
| Schnauzer, Mini |
13-15 |
10-16″ |
14-20" |
S |
XS/S |
| Shih Tzu |
12-16 |
10-14″ |
14-20" |
S |
S |
| Silky Terrier |
8-10 |
10-14″ |
16-19" |
S |
XS |
| Yorkshire Terrier (Yorkie) |
6-9 |
6-12″ |
13-16" |
XS/S |
XXS/XS |
