Size Guide
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How to Measure
Head w
idth
Use a measuring tape to measure the head width between ears.
Neck size
Use a measuring tape to measure around the neck below ears.
What if my pup is in between sizes?
We recommend sizing up for the best comfort and fit.
Size
head width (in)
neck size (in)
approx. weight (lbs)
TINY
2.5 to 3.25
8 to 10
about 5 lbs.
XXS
3 to 3.75
10 to 12
7 to 14
XS
3.5 to 4.25
12 to 15
13 to 25
S
4 to 5
14 to 16
22 to 45
M
4.5 to 5.75
15 to 18
40 to 65
L
5.5 to 6.25
17 to 21
60 to 100
XL
6 to 6.75
20 to 25
100+