Canine Equipment Ultimate Pulling Dog Harness, Black Fleece lining for added traction so shifting is minimized with extra heavy padding in the neck and shoulders Distributes weight evenly across chest and shoulders avoiding unnecessary pressure on throat and back Adjustable for the perfect fit and anti-slip sliders to prevent unwanted adjustments during use Includes a safety shackle snap for quick release form your joring system Size large fits a girth size between 29-39 Inch and weights between 40-75 pounds