Dog gone smart's olympia softshell keeps dogs warm and dry in the most extreme conditions. Features the best of both worlds andndash; style and function. Our repeliz-it stay clean nano protection which repels dirt , stains, odours , bacteria and fungi. Also, our award winning waterproof zipper feature allows any dog leash to easily clip through the jacket to a collar or harness ring. The 4 inch long water proof zipper allows for plenty of adjustability when attaching the leash to the collar or harness ring. Simply open the zipper, clip the harness ring to the leash , and re zip to keep your pup warm and dry. Temperature rating minus 30 degrees f , minus 34 degrees celsius...