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Size
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Neck Girth
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Chest Girth
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Chest Length
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| XXS (MINI A) | 35cm-55cm | 33cm-49cm | 21cm-32cm |
| XS (MINI B) | 40cm-60cm | 40cm-58cm | 22cm-39cm |
| A | 43cm-64cm | 50cm-66cm | 23cm-32cm |
| B | 60cm-71cm | 55cm-80cm | 27cm-39cm |
| C | 65cm-91cm | 65cm-90cm | 28cm-40cm |
| D | 69cm-108cm | 70cm-108cm | 29cm-44cm |
Measure around the base of the neck where a collar would sit.
Measure around the widest part of the chest, just behind the front legs.
Measure from the base of the neck (where a collar sits) to just before the last rib.
The TRI-Harness® is designed to give dogs a safer, more comfortable walking experience without pulling, rubbing, or restricting movement. After listening to thousands of owners, we’ve combined our Mini and Standard versions into one complete size range, making it easier than ever to choose the perfect fit for your dog.
Built with a non-restrictive Y-shape, soft neoprene lining, and three strategically placed attachment points, this harness supports natural movement while giving owners full control. Whether you’re training a puppy, managing a reactive dog, or simply want a more comfortable daily harness, the TRI-Harness® delivers reliable performance for every breed.
Trademark & Copyrighted Design Rights Number: 6189802
Overall rating: 4.9 / 5 from 684 reviews.
I’m have had many different harnesses as my dog has grown, but this is my favourite. I love the fit, and how lightweight it is on her. She looks great in the Khaki green. I have now purchased the multi wear lead to go with it.
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
Great harness feels soft and control is good. Great for warmer weather too
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
Brilliant harness!! Really sturdy!! My girl is very strong and I fully trust this harness not to snap! And it looks so classy! 10/10
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
Excellent fit and really good quality . The harness is brilliant for controlling her pulling in the park and the collar is great for keeping her attention while walking to the park. Excellent purchase , thank you and it looks great
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
Not only is this harness fantastic quality but it has actually stopped my dog from pulling, I use the double ended lead for road walks and a flexi lead for woodland walks, Living at the edge of a commercial shoot and having a Gundog is a nightmare with my previous harness if he got the scent of game bird a hare or deer it was like flying a kite he was all over the place, but with the Tri harness it’s like he knows when he reaches the end of the extending lead and he slows down & stops, I’m amazed, my walks are now a pleasure. Thank you Bully Billows
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
Supportive harness, makes walks much more enjoyable for both
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
Absolutely love it, really well made, Luna needs to be kept on a long lead for a while whilst she recovers from a cruciate problem and this harness is perfect.
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
Arthur looks really smart in his new harness.
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
This has been by far the best thing ive brought for my strong willed pocket bully. Absolutely brilliant especially with the double lead. Been a god send 💪🙏❤️
Always loved BullyBillows, excellent quality. This a size B. He's 18kg.
Peggy says thanks bully billows she loves her harness collar ordered for her just waiting for it to arrive
Exellent service always used since company first started
Initially, purchased the collar which is very durable, high quality and has a fabulous grab handle alongside the matching lead allowing a more controlled walk. The harness was a life saver, as it really helped to stop our puppy’s pulling and you have much better control and safety, also looks great! Purchased for a 6 month old Doberman.
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
Incredible quality. So well made and he looks fantastic! We have just ordered another harness and lead that came today and they look great too!
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
Fits great, easily adjustable, looks great on them, quick delivery 🥰
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
A great harness, especially for strong dogs. Also excellent for bulldogs to avoid pressure on their narrow trachias To be recommended!
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
Amazing quality, feels heavy duty, definitely worth the price! Had to size up but return was really easy and quick.
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Khaki
Beryl was previously really funny about having other brands of harness put on, she would duck down or try avoid having it put on and never looked truly comfortable. However since switching to Bully Billows we have not had any problems at all, she now activity waits when she see's her harness being got ready. This harness is a game changer, works brilliantly for Beryl when she is out on the farm. Strong and sturdy whilst not being cumbersome, it allows her a perfect range of movement which is essential for when she is out on the quad bike, in the fields or just going for a walk. Beryl has had to have LOTS of orthopedic surgeries at a young age. This was sadly due to her Mum being neglected whilst pregnant and then Beryl being left for dead as a tiny puppy. Because of all these orthopedic issues it is really important she has the best range of movement.
Love Milos harness. Easy to use and perfectly padded. Helped massively with training and pulling, since using this harness we have better control and he is unable to pull as much so just gave up and now walks great after only 4 walks... Also looks great. LOVE LOVE LOVE
Love this harness! Definitely need to get the training lead aswell. Great quality as always!
Purchased this harness with the double ended training lead to have more control over our strong staffy who likes to pull and can be reactive to other dogs. Brilliant harness I feel at ease and more confident to walk him in this 😊
Absolutely love this harness. My 11 month old pedigree staffy is 23kg, 18 inches tall, with a neck size of 50cm & chest at 67cm. Size B is Fits perfectly, although the chest strap is near maxing out. The harness is well made and I can even fit my Tractive on top. The harness tends to twist a bit, however this can be fixed if you have a double ended lead, such as the BB training lead. Simply attached one clip to the neck end of the harness and other to the rear ring or front anti-pulling ring (to the side with the buckle/clip). By the way, the front anti-pull ring reduces pulling for me. Hope this helps.
This is our 2cnd harness we’ve had from Bully Billows, they are brilliant! We have English Bull Terriers which are a very strong breed. The choice of rings to attach the lead make every different situation easier to control and put your mind at ease. They look fantastic too, several people have said how nice the Harness is and asked where it was from. Would highly recommend. We have the Khaki Green colour which looks gorgeous on our boy!
Tried and tried to get my little staffy to stop pulling for 4 years. nothing worked until I got this tri harness. as soon as I clipped onto the front ring all pulling disappeared my walks are much more enjoyable now.cant thankyou enough bully billows great robust adjustable product 😃👍
This harness is definitely better for walking my dog on her flexi. It gives a little more control then a normal harness would and I love the design/shape with the customisation compared to other harnesses.
I ordered one of these for my dog, in the hope it would stop him pulling..it gives a few options on where to clip the lead, so far the back ring seems to work. He still pulls, but definitely not as much. I will try it with a training lead though. Looks very good one, heavy and well made.
It’s by far the best harness Frank has ever had we love it
Really great quality and very well made - perfect for training our puppy and because it can be adjusted in all areas, it can grow with her. Very happy with purchase!
been struggling with jax’s pulling as he’s a very strong boy but this harness has literally saved my life (especially my arms)!! will never shut up about your brand
Great harness used before had to purchase again
This is the 4th BB harness we‘ve had. Strong, durable and the front ring is great because Jax doesn’t pull. We have a red lead but unfortunately we find itvtoobshort
Great quality my dog is more comfortable on his walks now
Great harness for training and stopping my dogs from pulling i can manage both of them at the same time now
9 month old Rottweiler who used to pull my arm off!! In this Harness he’s a pleasure to walk it’s a big yes from Koba and myself
High quality, superb fit, does not restrict natural movement, does not create pressure, allows balanced control. Love it!
Loved the harness, was a little unsure about the shoulder fit on my 2 year old Kelpie. After a long stroll it is clearing fine and a perfect piece of gear for a working dog or any strong, pulling incline dog. She loves it and is far more into it to it then precious harnesses. I found our walk to be one of our most pleasurable. I love training on a collar with her but sometimes we both need our freedom to enjoy the walk without too much strong training structure. Thanks Bully Billows would highly recommend this product.
Brilliant,first time he had it on 💯 improvement,when walking him.
BullyBillows swagger Subtle strong , total manoeuvrability Reggie ❤️ s his gear Thank you
Very impressed with this harness & lead set and love the colour on our boy.
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Khaki v2.0
This harness is brilliant, it feels safe on the dog, he is husky x Akita so very strong. And having 3 loops at different points is brilliant
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Khaki v2.0
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