Body Length

Neck

 Chest Girth

 Waist Girth

  Weight

    XXS

         6"

     6-7"

9-11"

8-9"

  1-2 lbs

     XS

         8"

     6-8"

12-13"

9-10"

2.5-5 lbs

      S

        10"

     8-10"

14-15"

10-11"

  5-8 lbs

     M

        12"

  10-12.5"

15.5-16.5"

11-12"

  8-12 lbs

      L

        14"

  12-13.5"

17-18"

12-15"

 12-18 lbs

     XL

        16"

  13.5-15"

19-20.5"

15-17"

 18-30 lbs

    2XL

        18"

  15-16.5"

21.5-23.5"

17-19"

 30-55 lbs

    3XL

        20"

  16-17.5"

24.5-26.5"

19-21"

 55-80 lbs