by weight and around the chest
answered 3 years ago
4out of 4found this answer helpful.
widest part of chest and neck (can be loose). Might also have to measure gap between legs if you have a skinny dog.
Top 100 Contributor
answered 3 years, 8 months ago
3out of 3found this answer helpful.
The harnesses will come in sizes by pound and by inches. For example, my harness is a size Medium and it says that it will fit dogs between 25-50 pounds, or 18-22".
My dog is exactly 50 pounds, so according to the label she could have worn a medium or a large. To figure out which size would fit better, I had to measure her. So you take a tape measure or a string, and put it around the dog just behind its front legs and up to between or just behind its shoulder blades. My dog measured 19", so she wears a medium-sized harness.
answered 3 years, 9 months ago
Post Falls, ID
17out of 17found this answer helpful.