Quick answer
Start by fully loosening the neck and girth straps, then fit the harness snugly around the widest part of the chest, ensuring two fingers fit between the straps and your dog.
Why a Proper Fit Matters for Your Gibson Harness
A harness that fits well keeps your dog safe and comfortable during walks. The Gibson Adjustable Air Mesh Harness uses lightweight, breathable 3D Jacquard mesh, so a correct fit prevents chafing while allowing full freedom of movement. An overly tight harness can restrict breathing, while one that's too loose risks slipping off or causing your dog to escape.
Step-by-step adjustment process
- Loosen all straps completely: Before placing the harness on your dog, release the neck and girth buckles so the straps are at their longest. This prevents any tugging or discomfort when you first put it on. Common mistake: adjusting straps while the harness is still tight can pinch your dog's fur or skin.
- Position the harness on your dog's chest: Slide the harness over your dog's head so the chest plate rests on the sternum (breastbone). The D-ring should sit on the back, between the shoulder blades, for balanced leash attachment. Check that the harness is not twisted and that the mesh lies flat against the fur.
- Tighten the neck strap first: Pull the neck strap until it fits snugly but not tight. You should be able to slide two fingers flat between the strap and your dog's neck. This prevents choking while keeping the harness secure. If you can fit more than two fingers, the strap is too loose; if less, it's too tight.
- Adjust the girth strap: Fasten the girth strap around the widest part of the ribcage, behind the front legs. Tighten until it feels firm—again, two fingers should fit under the strap. The girth strap prevents the harness from shifting sideways. A common mistake is making the girth strap too tight, which can restrict your dog's breathing during activity.
- Test the fit with movement: Have your dog walk, trot, or sit while wearing the harness. The harness should stay in place without sliding forward or backward. If it shifts, re-tighten the neck or girth strap slightly. After a short walk, check for any redness or rubbing under the straps—adjust if needed.
- Secure the 4-point locking buckle: Once you're satisfied with the fit, ensure the buckle's 4-point locking system is fully engaged. Give a gentle tug to confirm it won't open accidentally during walks. Periodically check the buckle for wear or debris that could affect the lock.
Product spotlight
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Gibson | Adjustable Air Mesh Harness: The Gibson Adjustable Air Mesh Harness is made using 3D Jacquard weaving and is fully adjustable around the neck and girth. This means the harness molds to your dog's unique shape without heavy padding, making it ideal for everyday walks and active dogs.
Gibson | Adjustable Air Mesh Harness



