Description
Secure every ride with our crash-tested dog car harness
Safety for all passengers
Our crash-tested dog car harness is designed to keep your dog secure in the backseat, providing peace of mind for all passengers on every ride. Built to withstand the forces of sudden stops or collisions, it offers reliable protection by securing your dog with the car’s seatbelt system. Unlike tethers or extenders, this harness design keeps your dog close to the seatbelt, preventing forward movement that could endanger other passengers in an accident. In some regions, laws even require restraining pets for the safety of everyone in the vehicle, making this harness an essential for responsible travel.
Ease-of-use
Thule Cappy makes traveling with your dog easy, whether for short trips or long journeys. Its step-in design eliminates the need to pull the harness over your dog’s head, making it ideal for dogs who dislike traditional harnesses. Once secured, the harness allows your dog to move, sleep, and stay comfortable throughout the trip. The coated fabric wipes clean easily, keeping it fresh for every adventure.
Keep it on for the whole trip
The padded mesh panels offer breathability and comfort, keeping your dog at ease on trips both short and long. With a convenient back leash attachment, you can easily secure your dog for quick potty breaks without removing the harness.
Size Guide
How to choose the right size dog harness
Choosing the right size dog harness is critical for your dog’s comfort, safety, and well-being during travel. The harness should fit snugly while still allowing your dog to sit and lay down naturally. When correctly fitted, you should be able to fit two fingers between the harness and your dog. A harness that is too loose can cause your dog to slide or be tossed around during travel, increasing the risk of injury.
Measure your dog
You need to measure your dog to make sure that the harness you buy will be the right size. Wrap a tape measure around the base of the neck and the widest part of the chest, just behind the front legs.
| Size | Neck (in) | Chest (in) | Max weight (lb) |
|---|---|---|---|
| S | 13.5 – 16.5 | 18.5 – 25 | 25 |
| M | 16 – 20.5 | 22 – 30 | 50 |
| L | 18.5 – 23 | 24.5 – 34.5 | 75 |
Awards
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Red Dot 2026 – Winner
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TUV SUD Certification
MPN: 771003
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