Read our complete Pet Sizing Information for a Measuring Guide and more sizing information.
| Size |
Neck |
Length |
Chest |
Weight |
| X-Small |
8″ |
8″ |
11″ |
0-3 lbs |
| Small |
9″ |
10″ |
13″ |
3-6 lbs |
| Medium |
10″ |
12″ |
16″ |
6-10 lbs |
| Large |
12″ |
14″ |
18″ |
10-14 lbs |
| X-Large |
13″ |
16″ |
20″ |
14-20 lbs |
| 2X-Large |
14″ |
18″ |
22″ |
20-25 lbs |
| 3X-Large |
18″ |
20″ |
24″ |
25-35 lbs |
| 4X-Large |
19″ |
22″ |
28″ |
30-45 lbs |
| 5X-Large |
21″ |
25″ |
30.5″ |
45-60 lbs |
| 6X-Large |
22.5″ |
26″ |
33″ |
60-115 lbs |
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