| BACK... | NECK............ | CHEST - most important |
| Size 1 | 8" | 6.5 - 7.5" | 10.5 - 12" |
| Size 2 | 9.25" | 7.5 - 8.75" | 12 - 14" |
| Size 3 | 10.75" | 8.75 - 10.5" | 14 - 16" |
| Size 4 | 12.5" | 10.5 - 12" | 16 - 18.5" |
| Size 5 | 14" | 12 - 13.5" | 18.5 - 20.5" |
Back: Measure length of pet's back from the base of the neck to the base of the tail.
Neck: Measure the circumference of the pet's neck for a snug fit - not tight.
Chest Girth: Measure the broadest part of the chest and add 2" for ideal fit.
Note: If the dog has a stout build, select one size larger.
