This Dog Coat is designed to fit most dog breed shapes and sizes including long and wide-chested dogs. Slit for leash or harness connection. 3M reflective prism design increases nighttime visibility. Water repellent and wind resistant exterior. Added contour darts ensure a better fit along the back and tail. T-shaped chest panel has three points of adjustability to fit more doggy shapes. Soft and cozy fleece lining. Adjustable hook and loop closure keeps your dog snug. Durable and machine washable.