An animal harness and compatible animal clothing are disclosed. The harness has a special construction which allows a part of it to be separated and connected to animal clothing with compatible fasteners. The fasteners which connect the harness to the clothing are fastened to inner layers of the clothing, effectively providing the aesthetic benefits of clothing with the functional benefits of a harness. There are straps of strong material integrated with the animal clothing, so that connection of the part of the animal harness to the animal clothing forms an integrated harness within the animal clothing.