The 4-in-1 K9FITvest™ by DogTread® is fun wearable canine fitness apparel. Its innovative design allows good freedom of movement while also being conscious of dog anatomy and functional movements. It provides dogs not only with a gravity enhanced calorie-burning boost; but also therapeutic, sensory integration and safety benefits. Walk, run - whatever your dog does the K9FITvest can do it too!