40mm L-S-M PerfectFit Harness
Harness set includes:
Top piece:
Large - Black
Front piece:
Small - Black
Girth piece:
Medium - Black
Base piece:
Clip size:
40mm
Complete the PerfectFit set
Leads and accessories
Leads and accessories
Leads and accessories
Leads and accessories
Leads and accessories
Leads and accessories
Leads and accessories
Delivery details
We currently do not ship to the EU, China, or the UAE. Please refer to our stockist map to locate your nearest supplier. For more information, please view our Terms & Conditions. Local import duties and taxes may be payable by the recipient on international orders. Please check your emails, including your spam folder, for important customs and courier communications.
How to measure your dog
Snugly wrap your soft measuring tape around the circumference of your dog's rib cage, just behind the front legs. To see this in action, check our girth measurement guide video.
How to Find Your Size
Use our Harness Finder to find a recommended size of PerfectFit Harness. This option is ideal for fully grown & non-mixed breed dogs.
If your dog is a mixed breed, still growing, between sizes, or has a unique shape, contact our team of sizing experts. Send us:
- Your dog's girth measurement
- Clear photos of your dog (side view & from above)
- Your dog's breed or mix of breeds
- Whether your dog pulls on the lead
- Your dog's age and weight (if known)
Pulling
For strong pullers, we choose a wider harness to distribute force more evenly, maximizing comfort. While not an anti-pull device, the PerfectFit can significantly improve pulling behaviours.
Details
Features
Adjustable in 5 places. Easy to clip around your dogs’ neck & does not go on over the head. Each piece can be replaced or upsized as and when needed.
Adjustable in 5 places. Easy to clip around your dogs’ neck & does not go on over the head. Each piece can be replaced or upsized as and when needed.
- D-ring attachment on the Top piece & Front piece
- Allows freedom of front leg movement
- Y-shaped front avoids the soft tissues of the throat & neck
- Comfortable, soft, high quality fleece
- Machine washable at 30 degrees
- Made in the UK
- D-ring attachment on the Top piece & Front piece
- Allows freedom of front leg movement
- Y-shaped front avoids the soft tissues of the throat & neck
- Comfortable, soft, high quality fleece
- Machine washable at 30 degrees
- Made in the UK
For fitting tips, speak with our team of dog-geek harness experts on 01684 569 553
Our harnesses are made up of two or three individual parts…
What comes in the selected harness set?
Top piece
Sits across the top of the shoulders on your dog's back to allow full freedom of movement and a comfortable, secure fit.
Front piece
Sits on your dog's breast plate, down the chest to help prevent twisting and keep the harness balanced and stable.
Girth piece
Wraps around the ribcage to provide security, adjustability, and a snug, escape-resistant fit.
Base piece
A front and girth combined into one piece, which sits on the breast plate & runs around the rib cage of your dog.
Excellent service and product. Very helpful with finding the right size and returning wrongly ordered piece. Highly recommend.
Thank you so much for your kind words, Suzanne! We're delighted to hear you had a great experience and appreciate your recommendation. If you need anything else, we're here to help! 😊
It was perfect
This is great to hear, Joy! We are living up to our name! Thank you for the 5 stars! ☺️
Brilliant harnesses, really great idea to be able to buy pieces as your dog grows instead off buying a compete harness
Best harness ever - no comparison.
Thank you!!
Aw, great review! Thank you, Anne! And thank you for sharing the picture of your beautiful up in their new harness ☺️
The harness is a good fit & Toby seems comfortable in it.
Thank you for sharing the picture of the beautiful Toby in his new harness with us, Pauline. We are so pleased he is happy in it ☺️
I’ve had Great Danes for 20 years, and Perfect Fit harnesses are the only ones I’ve been happy with. Danes come in a variety of body shapes but they all have deep chests and are hard to fit. The modular concept works very well, and I think I now have all the pieces in enough sizes to fit most any Dane that lands here! It’s the only harness I trust for comfort and control.
It is just wonderful to hear that your PerfectFits suit your beautiful Danes so much and that you have such confidence in them, Rand. Thank you, once again. Your dog's are just beautiful! ☺️
I have always found the PerfectFit Team to be really helpful and this time was no exception. The front piece on my fifteen month old Labrador’s PerfectFit harness had become too tight. I emailed their helpline and was advised she would need a 40mm medium now which I ordered. Unfortunately the wrong piece was sent initially, I received a 40mm small which is what I already had, but an email soon resolved that issue and the correct part was sent out. The only moan I have is that I had to pay to return the incorrect piece, although it was the cheapest postage I could get, it wasn’t my fault the wrong piece had been sent. Thankfully Sienna’s harness now fits perfectly. I would highly recommend and most certainly will be using them again.
Thank you for your feedback, Elaine and we totally agree that you shouldn't have had to pay to return the incorrect piece in this instance, as it was our mistake. We have therefore refunded the postage from your original order to reimburse you.
Thank you for sharing the picture of the beautiful Sienna in her harness with us. We are loving the purple top against her coat! ☺️
Fits perfectly
Absolutely beautiful picture, Nikki. Thank you for sharing! 😍
Brought a spare harness as my dog is a mud magnet so it gets washed a lot. Always washes well and looks like new.
We are loving this picture of your lovely pup in their harness, Nikki and also your wash-one-wear-one idea! Thank you for the review ☺️
Great harness and lead, comfortable to hold, love the option of clipping front and back of harness and good to secure the lead or have different lengths, lovely padded harness great fit
Thank you, once again, Amanda ☺️
I am delighted with my Perfect Fit dog harness and the excellent service and advice I have received from the Perfect Fit team. The harness is strong but soft and comfortable for my puppy to wear, easy to put on and quick to take off. I love the fact that as he grows I can just replace the parts on the harness that he's grown out of rather than having to replace the entire harness. Fantastic product.
Thank you for taking the time to leave us such a lovely review, Kim and for sharing the pictures of your beautiful boy in his new harness with us. He's just gorgeous! 😍
It is wonderful to hear that the team looked after you so well and that your pup is secure but comfortable.
Superior fitting harness for my growing boxer pup. Everything feels very secure and comfortable and very easy to adjust.
Your pup certainly looks very smart in her new harness, Elizabeth! She's just beautiful! 😍
it is wonderful to hear how happy you are with your new harness. Thank you for leaving us a review!
Had a problem with our harness contacted Perfect Fit and replacement sent and fits perfectly
Brilliant service from all staff many thanks
We are very happy to hear that your lovey dog is now happy in their new harness and that the team looked after you so well. Thank you for sharing the pictures of your beautiful dog in their new harness 😊
We sent in pictures and girth size of our 10 month old, and were recommended harness sizes to order which was very helpful. We received harness but thought it wasn't quite right for size. After sending pictures in wearing harness we were advised it did indeed look a bit snug towards front legs, and were sent out two different part sizes to mix and match. The harness itself is very well designed due to it coming in 3 parts, if one part wears out or becomes too small, only one part needs replacing, not the whole harness.
Cannot fault service and advice we received, and will definitely recommend to other doggie parents.
This is great to hear, Susan, thank you!
Your feedback is really helpful and we love that you found the advice you received helpful in choosing the best fit for your pup. We are loving the red against your dog's beautiful black coat! 😊
Excellent, originally bought the complete harness, and have just replaced the top section with a pink one, whole harness is perfectly made, strong and comfortable for our massive bouncy puppy, washes well and dries fast
It is lovely to hear that you ave updated your pup's wardrobe with a new pink top and that she is happy and comfortable in her harness 😊 Thank you for the lovely review, Charlotte!
The boys inherited the Perfect Fit Harnesses from our previous larger dogs and new parts made them fit perfect again!
Aw, we love that you have been able to use some old pieces with your new sections to create the best fit for your pups 😊
These harnesses are really a perfect fit. Very comfortable for the dog as they are soft and flexible and washable. My dog has worn these harnesses since he was six months old and it was the only harness he would accept, hence six months old. I wasted money trying other types when his trainer recommended Perfect Fit. I was so happy to finally find a harness that worked for him.
Aw, well he certainly looks happy in his harness! It is lovely to hear that he has been with us since he was 6 months old. Thank you for taking the time to leave us your feedback! 😊
PerfectFit leads & accessories
View all leads and accessories
