This is how most dogs travel.
It’s not safe.
This is how most dogs travel.
It’s not safe.
In a crash, your dog doesn’t stay in the back.
Most harnesses attach in one place.
This system controls movement at two points.
Two-tether system for real control
Tested to the same standards as child car seats
Used every day.
Free crash replacement. Built to last.
There’s a difference between being clipped in… and being protected.
Try it at home and make sure it works for your dog.
If it is not the right fit, you can return it within 60 days. We will cover return shipping for Canada and the USA.
We will also work with you to adjust sizing or setup before you need to return it.
[View full return policy]
If your harness is ever involved in a vehicle collision, we will replace it.
We will also cover shipping both ways.
We may ask for a few details about what happened so we can continue improving the system.
[Learn more about our crash replacement guarantee]
Designed for ease of use, comfort, and maximum protection, these Crash Safe Defender Harness Safety Systems securely anchor your dog in any vehicle while ensuring a snug, ergonomic fit. Proudly made in Canada, they provide the peace of mind that your pet is just as safe on the road as you are.
We passed our crash tests using dummy dogs we do not own. We are a small company who can not licenses the videos for marketing purposes. We take safety seriously and knew we needed to pass the tests and as we grow get the videos.
Generally in Pounds:
12lbs and under - X small
15lbs -24 lbs Small
25lbs - 49 lbs Medium
50lbs -80 lbs Large
80 and up - X- Large
Have measurements? - Take the sizing quiz at the bottom of this page!
If you're worried about getting right size. place your order and use code FREECUSTOM
Andrew will reach out to you and guide you in your measurements. If you ordered the wrong size, will we refund you or charge you the difference in price AND make your harness custom to the measurements given at no extra charge.
One of the perks of making it ourselves is our ability to make it right. every time.
We pay the shipping back to us for the harness involved in the crash, and send you a new harness. No charge to you.
Even minor collisions are valid for this program. We want our harness to absorb the force not your dog. That's kind of the point. So any crash could cause damage and we will replace your harness to maximize safety.
We are horribly biased but here is why.
We are able to give out our numbers and talk to you, not because we have unlimited time, but because we only want to be found by people who are looking for the right solution made sustainably. If that is you, we're so happy you found us and we can't wait to be a part of your daily safety.
The Defender Harness is worn like a regular walking harness, so your dog stays comfortable and secure before you even get in the car.
Attach the Lower Tether first to keep your dog stable in the seat, then connect the Upper Tether to the seatbelt to engage in the event of a crash.
Your dog stays secure on every ride, while still able to sit or lie down naturally, so travel feels calm, controlled and comfortable.
Over 100 individual steps go into every Harness Safety System.
That’s why we manufacture in Canada, using certified materials at our own small-batch production facility.
Answer three quick questions to find the right harness size for your dog.
Choose the range that best matches your dog's weight.
Measure around the widest part of the chest, just behind the front legs.
Measure around the base of the neck where the collar normally sits.
XS harnesses are custom-sized after purchase to ensure a perfect fit for your small dog. We'll reach out to confirm measurements and customize your harness at no extra charge.
Based on your selections, a Small harness is the right fit. This size works well for dogs 13–25 lbs with a body measurement of 20–23.5 inches.
Based on your selections, a Medium harness is the right fit. This size works well for dogs 26–50 lbs with a body measurement of 24.5–29 inches.
Based on your selections, a Large harness is the right fit. This size works well for dogs 51–79 lbs with a body measurement of 28–33 inches.
Based on your selections, an XL harness is the right fit. This size works well for dogs 80 lbs and up with a body measurement of 33–39.5 inches.
Your selections suggest a custom fit would be best. This is completely normal! Please fill out our sizing form and we'll contact you directly to ensure a perfect fit. We offer free customization to make sure your harness fits just right.