Patented curli clasp closure system for the easiest, most secure way to harness your dog. Scientifically engineered 3-D construction for the perfect fit for your dog's body shape. Ergonomically designed to never irritate skin or restrict movement or mobility. Perfectly designed and positioned seams, straps and buckles are critical to the long-term health and wellness of your dog. The lightest-weight harnesses in the industry Lighter weight means less stress and greater comfort for your dog. Built-in DogFinder dog tag system FREE with every curli harness we make. Simply register your curli harness on our secure web site.