Original K9® Powerharness

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Quick Overview

***Click here for the size chart***

The original dog harness from JULIUS-K9®. This classic harness has balanced weight distribution for perfect control and comfort, and features skin and fur friendly breathable lining.

From £17.99 Was £19.99

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Our Classic K9® Powerharness

The Original K9® Powerharness is the predecessor to our hugely popular IDC® Powerharness.  This classic K9® Powerharness version is made from highly durable material and meets the very high quality standards you’d expect from all JULIUS-K9® products.  

Product Features

  • Secure handle on the back for easy grip and lifting of the dog.
  • The belly strap has a heavy-duty plastic buckle and the chest strap has an adjustable hook and loop fastening.
  • The reflective stripe on the chest strap provides magnificent visibility at night.
  • Each Original K9® Powerharness harness comes with interchangeable hook and loop patches with Julius-K9® logo. Custom dog labels and pre-printed patches available.

Classic K9® Powerharness and IDC Powerharness Comparison


Trusted, High Quality Products

Here at Julius-K9® we're proud of our products and every one of our dog harnesses are thoroughly tested to ensure they are extremely durable. That's why we are the trusted brand of professional dog handlers, trainers, and pet owners alike all across Europe.

Harness Sizing and Weight Overview

Small Puppy (Baby 1) - Chest: 11.4-14.15 inches / 29-36cm | Weight: 1.75-6.6lbs / 0.8-3kg

Puppy & Small Dog (Baby 2) - Chest: 13-18 inches / 33-45cm | Weight: 4.4-11lbs / 2-5kg

XXS Extra Extra Small Dog (mini-mini) - Chest: 15.75-21 inches / 40-53cm | Weight: 8.8-15.5lbs / 4-7kg

XS Extra Small Dog (mini) - Chest: 20-26.4 inches / 51-67cm - Weight: 15.5 - 33lbs / 7-15kg

Small Dog (size 0) - Chest: 22.8 - 30 inches / 58 - 76cm - Weight: 30-55lbs / 13.5-24.5kg

Small-Medium Dog (size 1) - Chest: 26-33.5 inches / 66-85cm - Weight: 50-66lbs / 22.5-30kg

Medium Dog (size 2) - Chest: 28-38 inches / 71-96cm - Weight: 61-88lbs / 27.5-40kg

Large Dog (size 3) - Chest: 32.3-46.5 inches / 80-112cm - Weight: 88-176lbs / 40-79kg

Harness Size By Breed

*The below table of breeds and Original K9® Powerharness sizes is meant as a guide only and is based on the average breed chest size. Your dog's harness size may differ based on sex, age, and diet. You should always measure the chest circumference of your dog to ensure a safe and comfortable fit before purchase. A poorly fitted harness is unsafe.

Follow our instructional harness measuring guide here to get a perfect fit.


BreedRecommended* Original K9® Powerharness Size
beaglemini-mini, size 0, size 1
bloodhoundsize 2, size 3
border colliesize 0, size 1
border terriermini-mini, mini
boston terriermini-mini, mini
boxersize 1, size 2
chihuahuababy 1, baby 2, mini-mini
cocker spanielmini, size 0
dachshundmini-mini, mini
dobermansize 1, size 2, size 3
english bulldogsize 0
german shepherdsize 1, size 2, size 3
golden retrieversize 1, size 2, size 3
great danesize 2, size 3
greyhoundsize 1
jack russelmini-mini, mini
king charlesmini-mini, mini
labradorsize 0, size 1, size 2
mastiffsize 2, size 3
poodlesize 0
pugmini-mini, mini
rottweilersize 1, size 2, size 3
saint bernardsize 3
shih tzumini-mini, mini
siberian huskysize 0, size 1, size 2
staffordshire bull terriersize 0, size 1
west highland terriermini-mini, mini
yorkshire terrierbaby 1, baby 2, mini-mini, mini
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