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Load Up Harness - Dog Car Harness



The Ruffwear Load Up dog harness is a travel harness designed to safely restrain dogs in vehicles by attaching to the existing seat-belt for a universal fit.

Not only does this harness keep dogs secure during sudden vehicle movements, it also secures them in the backseat so they can't reach and distract drivers.  Built with strength-rated hardware and components, the Load Up Harness has been successfully tested to withstand the rigors of a vehicle crash test.   

The dog harness is easy to put on and adjust, and is comfortable for dogs to wear during extended travel and during rest stops. Although it restricts movement in the vehicle, it still allows the dog to stand up and turn around.  You can download Ruffwear's booklet on Safety Information & Instructions for Use here.   Click here to read about the Load Up Harness Safety Testing.  Always check the harness for damage before use.

Its important to note that the harness is only for use in the rear passenger seats (not front seats).

Please note, there is no dog leash attachment point on this harness, so it can't be used as a walking harness.


Available in 5 sizes.  To choose the best size, carefully measure around the widest part of your dog's chest/girth. In between sizes?  Choose the smaller size.
Check out the video further down on this page to learn how to fit and install The Load Up Harness.
Size Chest/Girth Measure
XXS 33-43cm (13-17")
XS 43-56cm (17-22")
S 56-69cm (22-27")
M 69-81cm (27-32")
L 81-107cm (32-42")

Key Features

  • Dynamically tested at MGA Research Corp (a US National Highway Traffic Safety Administration contracted test facility) under conditions outlined in US Federal Motor Vehicle Safety Standard 213
  • All metal, strength rated hardware
  • Universal seatbelt attachment
  • Comfortable for extended wear and can be used during rest stops

Washing Instructions

Secure fasteners and hand wash with mild detergents.   Air dry away from direct sunlight. Do not use bleach, iron or dry clean.   

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★ Our Reviews

Customer Love

133 reviews
A life saver!
Great Harness
Good quality harness
Love Ruffwear