A= Base of neck to base of tail

B= Chest width-from center of forechest to back of front legs

C=Girth-largest part of body behind front legs (measure around entire body)

D=Waist-smallest part of body in front of back legs (measure around entire body)

 

Size Chart

 

small

medium

large

x-large

length

21"-23"

24"-26"

26"-29"

30"-32"

girth

26"-28"

28"-30"

30"-32"

32"-34"