Perfect Fit Modular Fleece-Lined Harness for Tiny Dogs - Tiny Part 1, Base Piece

Perfect Fit Modular Fleece-Lined Harness for Tiny Dogs - Tiny Part 1, Base Piece


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About the PerfectFit Harness

The PerfectFit Harness is the ultimate walking harness. It is recommended by vets and trainers all over the world, and was voted #1 Harness by the Whole Dog Journal in multiple years!

Made in England, the Perfect Fit is a modular system of interchangeable pieces which means it is possible to fit all shapes, ages, and sizes of dogs. You can create a fleece-lined harness that is perfectly fitted to your dog so it's snug, safe, and comfortable. 

With your dog's health, comfort, and safety in mind, the PerfectFit Harness has been designed with a Y-shaped front so that pulling force is evenly distributed through the chest rather than the soft tissues of the neck and throat. With no straps cutting across the front legs, your dog will have full freedom of movement to enjoy the walk.

The Tiny PerfectFit Harness

The Tiny PerfectFit Harness is suitable for toy, teacup, and miniature dogs. It's not suitable for dogs over 6 lbs.


  • Clips around dog's neck; you do NOT need to put it over dog's head
  • Adjustable in 2 different places
  • Difficult for professional escapee dogs to get out of
  • Calming for excitable dogs
  • Made in the UK from comfortable, soft, high-quality fleece
  • Machine washable at 86ºF (30ºC)

A Tiny Perfect Fit Harness is constructed from 2 individual pieces—a base and a top piece—which clip together to make a complete harness. 

Step 1: Select Your Base Piece

There are three sizes of base pieces. There may be more than one choice of girth strap for your dog, so also consult the Perfect Fit Harness Selection Guide for girth size recommendations for different breeds and types of dogs. 

 Girth (inches)  Perfect Fit Base Size  Girth (cm)
9" - 12" Size 2 24 - 30
11" - 14" Size 4 28 - 36
13" - 15.5" Size 6 34 - 40

The Next Step

Once you have selected your base piece, you need to select a top piece to complete your Tiny Perfect Fit Harness.

Using a flexible measuring tape, measure snugly about 2" behind your dog’s front legs all the way around him. You are measuring the circumference of his body, the girth, like measuring a person for a belt. Be sure that your dog is standing squarely.

There may be more than one choice of base piece for your dog, so also consult the Perfect Fit Harness Selection Guide for girth size recommendations for different breeds and types of dogs. If the breed chart recommends one size up from your dog's girth measurement, we recommend going with the larger base piece to ensure there is enough fleece padding on the strap to protect your dog's skin.

To make an exchange or accept a return, we require that the harness piece be in the same pristine condition as when it arrived with you.

We understand that when you try the harness on your dog and adjust it, the harness pieces may get a little hairy. But if the harness has been worn for more than just a proper fitting, or is in a different condition then when you received it, we will NOT be able to make a free exchange or give a full credit for a return.

  • Returned harness pieces that require more cleaning than using a lint brush to remove a little bit of hair are subject to a 30% restocking fee.
  • Returned harness pieces that are damaged or worn are subject to a 50% restocking fee.

Before you return a harness piece, we recommend watching the Measuring & Sizing video to ensure that you have adjusted the harness correctly.

If you live in the USA and are making an exchange, you will pay for the return shipping to our offices and Clean Run will pay the shipping cost to send the new size back to you.

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