This harness is designed to reduce strain on the neck and trachea, with a cushioned body contact area and a handle. The Zero Harness has a Y-shaped design that reduces strain on the neck and trachea. Both the neck and chest circumferences are adjustable, allowing for a perfect fit for your dog. Furthermore, the body contact area uses highly cushioned neoprene material, which helps to reduce strain and provides a gentle fit. Also, the side buckle design allows for easy use without having to lift your dog's legs, which is a major advantage. Size L: Neck 52-60 CM, Chest 70-84 CM, with handle.