What’s The Best Jack Russell Harness? (Our #1 Pick)

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Are you in search of the perfect Jack Russell harness? The myriad of options available can make choosing the right one quite challenging, especially considering the unique size and shape of each dog.

Fear not, the secret lies in selecting the ideal harness design rather than focusing on a specific brand. Jack Russell Terriers are known for their vivacious energy and agility, so a harness that allows for free shoulder movement is crucial. A ‘Y’-shaped harness is often a great starting point.

Key Features to Consider in a High-Quality Jack Russell Terrier Harness:

  1. Adjustable Straps: These ensure the harness fits your dog perfectly, accommodating their small but sturdy build.
  2. Easy-to-Use Clips: Opt for harnesses that are easy to clip on, ideally without having to pull them over your dog’s head, as Jack Russells can be quite wiggly.
  3. Strong Stitching: This ensures the harness withstands your terrier’s active lifestyle without tearing apart.
  4. Durable Material: A robust harness will endure longer and provide safety, especially important for adventurous Jack Russells.
  5. Handle on the Back: This feature is particularly useful for extra control during walks or training sessions.

Our Jack Russell Harness Pick:

Finding the right Jack Russell harness can be a bit of a search, but it’s worth it. The perfect harness makes walks way better for you and your Jack Russell Terrier.

If you’re looking for a place to start, we like this one as it ticks all of the above boxes at a reasonable price point:

PoyPet No Pull Dog Harness


✅ Easy to Use: Quick release snap buckles at the neck and chest for simple on and off, without the struggle of pulling it over the dog’s head.

✅ No Pull & No Choke: Designed with 2 metal leash attachments – front D-ring stops pulling and is great for training, back D-ring for casual walks. Evenly distributes pressure to prevent choking.

✅ Safe & Comfortable: Reflective straps for nighttime visibility and safety. A sturdy padded handle for quick control. Mesh lining for breathability, ensuring comfort all day.

✅ Adjustable Fit: Four adjustable straps for a customized fit. Soft, comfortable, and does not rub or irritate your dog’s skin.


➡️ Check Price on Amazon

What’s the Right Size for a Jack Russell Harness?

The truth is that sizing varies across different brands, and even a standard size small can sometimes be a bad fit for a Jack Russell harness. Because of this, you really want to measure your dog rather than just picking a size that should be a good fit.

So, grab a measuring tape and write down your dog’s dimensions. Once you have those, you can start looking at different types of harnesses. All good brands will include a sizing chart, so make sure to cross-reference it with your notes before you make a purchase.

Ensuring the Perfect Fit

A proper Jack Russell harness should be snug but not tight. You should be able to slide two fingers under any strap. A loose harness may lead to chafing or escape, while a tight one could cause discomfort or impede movement.

Remember, a correctly sized harness is not just more comfortable for your Jack Russell Terrier but also ensures safety, enhancing the joy of walks and training.

What's The Best Jack Russell Harness? (Our #1 Pick) jack russell harness
Image: Adobe Express

Considerations for Jack Russell Terrier Puppies

It’s also worth noting that puppies grow quickly, so if you have a young Jack Russell Terrier, you might need a harness that offers more adjustment to accommodate their growth. Adjustable straps are key here, as they allow you to tweak the fit as your dog grows.

Different Types of Harnesses Suitable for Jack Russell Terriers

Understanding the variety of harnesses available helps you make an informed choice for your lively companion.

  • Standard Harness: Distributes leash force across the chest and back, suitable for calm terriers that don’t pull much.
  • No pull harnesses: (they have a leash-attachment ring in the front of the harness – please note that this type of harness is not a miracle cure though and you’ll probably still need to do a lot of training to stop your Jack Russell Terrier from pulling)
jack russell wearing a harness
Image: Adobe Express

Is a Collar or a Harness Better for a Jack Russell?

Your Jack Russell Terrier can wear a collar or a harness, but it’s important that your dog is trained to not pull on the leash.

If your Jack Russell pulls on the leash, you’re facing the following problems:

  • A harness can actually promote pulling and make the behaviour worse
  • A collar will cause breathing issues to your dog if they pull while attached to a leash, which at worst case, can result in medical issues

For leash-trained dogs, the main reason many dog owners choose a harness over a collar is to add an extra layer of safety and comfort when they take their dogs out. For example, if you need to quickly pull your dog away from something (think another dog, or a bicycle, …) it’s nicer for the dog to be pulled away while wearing a harness, rather than being dragged away on a collar.

If you’re struggling to teach your dog how to walk on a loose leash, it’s best to seek help from a qualified dog trainer. You can ask your regular vet if they can recommend a good trainer near you.

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