Size
Length
Girth
Neck
S
12 - 16"
6 - 10"
M
16 - 20"
16 - 19"
10 - 14"
L
20 - 26"
19 - 26"
14 - 18"
XL
26 - 30"
26 - 32"
18 - 20"
A) Length--Measure the top of the back from base of the neck to the base of the tail. B) Girth--Measure around the ribcage, behind the front legs. C) Neck--Measure around the neck.
