Dog Gone Smart Trailblazer Jacket with Repelz-It Nano-Protection Coat for Dogs Repelz-It Nano-protection repels dirt, stains, liquids and bacteria The waterproof zipper/harness slot for easy leash attachment to any dog harness Dual Velcro closures with elastic waist band for a more comfortable fit The full belly coverage with cozy fleece lining protects the dog's underside in wet and cold conditions 8-Inch back length from the base of the tail to just where the neck turns upwards