• Pre-adjust the harness to the approximate size of your dog's neck and girth.
• Release the buckles, make sure the handle and logo pad are on the back.
• Secure the buckles, after proper adjustment, make sure you can fit 2 fingers between your dog and the harness.

To tighten:

The slider should be close to the handle.

To extend：

The slider should be away from the handle.

To tighten:

The chest strap tail should be away from the slider.

To extend：

The chest strap tail should be close to the slider.