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BrilliantK9 Service Dog Harness Size XLarge

$106.99 Regular price
Unit price

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Service Dogs spend many hours in their working harness, to keep them working at their best their comfort is a priority. We make these extra-large working dog harnesses for large dogs here in the USA by hand. Our working dog vest harnesses hold up and stay looking nice for years to come. Machine Wash No Bleach and Hang Dry. We don't use foam or felt, which cause heat build up and rot from the inside. The Unique buckle design allows for one hand operation. This working dog vest harness is complete with 2 side packs that are removable for easy access to documentation. 2 Patches - SERVICE DOG Do Not Pet. Utility Loop for Mini Flashlight or Poop Bag Holder. Trimmed in Retro-Reflective, Free Shipping is included.  We have unique sizing based on the build and weight of the dog to ensure a proper fit. We recommend you contact us for proper sizing to ensure the dog is comfortable. The base design of this extra-large service dog vest is based on our BrilliantK9 Ergonomic Dog Harness, used and recommended by Dog Sport Enthusiasts across the country.

Please click HERE to see the How to Measure Page.

The Unique New Speed Buckle design on our working dog vest allows for one hand operation. Play the video below to see how it works.

XLarge - #1 Front 13" to 19" - #2 Girth 28" to 39" - Approximate Weight Range 65lbs to 80lbs - Breed Type: Great Dane, Bernese Mountain Dog, American Bulldog 


MAGNET WARNING - The strong magnetic fields near a neodymium magnet can affect pacemakers, ICDs and other implanted medical devices.  Many of these devices are made with a feature that deactivates it with a magnetic field.  Therefore, care must be taken to avoid inadvertently deactivating such devices

What's in the Box


2 Side Packs Closed = 7" wide x 3-1/2" Tall, Open 5-1/2" x 7" - Packs trimmed in Retro-Reflective

2 removable BrilliantK9 embroidered patches SERVICE DOG Do Not Pet

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BrilliantK9 Service Dog Harness Size XLarge

BrilliantK9 Service Dog Harness Size XLarge


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