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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.

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)

How To Fit And Install

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

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Hector A.
United States


Great quality, easy to use, seemingly comfortable for my dog, and seems that it will last for a long time! Have been recommending it

Sydney T.
United States

I feel so much better knowing my dog is safe.

Using the video to help, it took a little to adjust the harness to my dog but once I figured it out, it was easier. I feel so much happier now using the actual seatbelt. The one I had previously was never going to help in a crash. Ruffwear is so good. With this harness, I know my dog is safe and I highly reccomend it to everyone.

Andrew T.
United States

Quality harness

The overall quality of the harness is good. It seems to keep the dog safe during car travel. The biggest issue I have is that there is no dedicated leash attachment. This makes bathroom stops rather annoying. You can always attach to the seatbelt loop on the harness, but it would be nice to have a proper leash attachment.

Patrick C.
United States


Had the medium for my other dog, got the small for the new one.

Brian M.
United States


This thing is super stiff and bulky. Kind of like putting a flak jacket on the dog. If anything, the size we got was barely big enough too. Difficult to buckle in but I like that you don't need any special seat belt attachment. I'm just afraid that people won't use this for short trips. Looks kind of ridiculous when she's wearing it. I have only had good experiences with Ruff Wear so I bought this without reading too many reviews. I feel bad saying this but wish I'd read more. I trust that it is safe so maybe it must be bulky in order to be safe but our last harness could be used for walks and worn all day whereas this one needs to come off right when the dog gets out of the car.

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