Ultra Paws
One Harness Product SheetFitting InstructionsChoosing the correct size:These harnesses are highly adjustable and there are only 3 sizes to choose from. To get the best fit, measure your dog's neck size (collar size) and go off of that. There are also corresponding weight estimates (see below)...
Small fits a collar size of 8-14 inches and under 30 lb in weight
Large fits a collar size of 12-24 inches and 30 to 75 lb weight
Huge fits a collar size of 20-34 inches and 75 to 120 lb weight.
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If the dog fits into a collar size in two different sizes, use the weight guide to help pick out the correct size harness.