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The Load Up™ Harness is an automotive canine travel harness designed to safely travel with dogs to and from adventures. Built with strength-rated hardware and components, the Load Up Harness has been successfully tested to withstand the rigors of a vehicle crash test. Attaches to existing seat belts for a universal fit. Keeps dogs secure during sudden vehicle movements and allows drivers to focus. Easy to put on and adjust, comfortable for dogs to wear during extended travel, and can be left on dogs for bathroom breaks and during rest stops.

Learn how to properly fit and adjust the Ruffwear Load Up Harness
Load Up Harness Testing and FAQs

Select Size

Measurement is around the widest part of the rib cage. Need more help with sizing? Visit our Fit Guide.

In between sizes? Choose the smaller size.

13-17 in (33-43 cm)
17-22 in (43-56 cm)
22-27 in ( 56-69 cm)
27-32 in (69-81 cm)
32-42 in (81-107 cm)

In between sizes? Choose the smaller size.

How To Measure

Key Features

Additional Features

  • Dynamically tested at MGA Research Corp (a National Highway Traffic Safety Administration contracted test facility) under the conditions outlined in Federal Motor Vehicle Safety Standard 213
  • Comfortable for extended wear
  • Made in Vietnam

Washing Instructions

  • Secure fasteners
  • Hand wash
  • Mild detergent
  • Air dry away from direct sunlight
  • Store in a dry, dark place
  • Do not bleach
  • Do not iron
  • Do not dry clean
  • Always check harness for damage before use

Trail Tested Promise

All of our products are rigorously field tested and we proudly guarantee against defects in materials and craftsmanship.

Great Companions

Ratings & Reviews

Customer Reviews

4.6 Based on 170 Reviews
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Sierra F.
United States

Liked it so much, we replaced it when he ate it!

Easiest and most convenient "seatbelt" we've used. Can double as a harness for brief walks during a car trip. Biggest con is that it's really easy for him to twist himself around and get tangled up in the seatbelt. He chewed through the extra length on the adjustment strap on his right side after getting tangled, about 3 days after we bought the harness...I tacked that strap into place (since it still fit, just couldn't make it larger) with my sewing machine and we continued to use it for several months, until the middle of the webbing on his back started to tear. He's a bit rough on equipment, I suspect the tearing is from how hard he pulls when we use this as a harness for quick ***** walks during car trips. Liked it enough that we're ordering the same one as a replacement.

A Ruffwear Customer
Amir F.
United States

Load up harness

Well made, dogs get used to it quite easily. I added a swivel to the carabiner securing it to the seatbelt to prevent things from bunching up if the dog makes a few turns while settling down. The hardware is mountaineering grade.

United States

Traveling with my Service Dog

I was so thankful to have the Load Up Harness on a recent trip. Since we flew to our destination we didn’t have our normal car crate, so this harness, was a great safety measure. Peace of mind, knowing we were still traveling safe, it was easy to bring along, fit was comfortable and it only took a few seconds to strap in.

Brian D.
United States

My Dog Hated It

The harness looked good and solid and was easy enough to size to my dog. However, attempts to actually attach her to the seat belt of my car were complete failures. She rapidly tied herself up in the seat belt attempting to back out of whatever was attached to her. She not only hated it, but she tended to quickly get into positions that frankly weren't safe for her, especially if there was a crash.

Teresa W.
United States

Load up harness

I purchased this for an Italian Greyhound who everyone knows is very hard to fit. He is an older dog and what is sometimes referred to as a "biggie iggy", we were able to adjust the harness to fit him perfectly. I did have to buy a strap for the seat belt though, he gets mobile sometimes and he managed to free himself without the strap. Taking some getting used to on his part, but I have found it very easy to use. And I am thrilled knowing he is riding much more safer!!!

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