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How tight should a cat harness be and can a dog harness fit a cat?

Updated on September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed | 1 year and 4 months old | 8.2 lbs

When measuring Luna for a harness (chest and neck) how tight should the measuring tape be? Also is it ok to use a dog vest harness on a cat as long as I get the right size?

1 Answer

Most Helpful Answer

Maria DVM

Answered By Maria DVM

Veterinarian

Published on July 28th, 2018

You should only be able to fit 2 fingers underneath. You should be able to find a harness in her size. If you are going to leave it on all the time I typically then recommend a breakaway collar. That way if she gets it caught on something it automatically breaks. If it is just to go outside with you then a harness is a great idea, just make sure you remove it when you are done. Thank you for using Petco Pet Education Center, formerly Petcoach.
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