The IDC®Longwalk harness is specifically designed for extended walks, so when you get away from the city you're not the only one to put on a convenient and healthy gear, you can give your dog the same comfort, too.The IDC® Longwalk is designed to actively adapt to your movements. The rings which are elastically attached at three points react to both the dog's and the owner's motion, so DuoFlex® makes sure that the harness is always comfortable even during the longest walks.Active dog active harness. The DuoFlex® system allows the shoulder straps to constantly adapt to the dog's movement on each step, so they only sense the harness when you want to stop or hold them back.Thanks to the active parts, the harness is so comfortable you don't need to take it off even when you let your dog loose as they practically don't feel it's on them.When your dog is in motion, their body takes a different shape in each moment. The IDC®Longwalk is a harness designed to adapt to this process and follow the constant change at all times.Warning: - This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.