ACTIVE FLEECE D-RING DOG COATACTIVE FLEECE D RING DOG COAT. This warm Double layered fleece coat in black gray and with top orange trimmed zipper and double D ring for leash attachment. Active Fleece D Ring Dog Coat Double layered fleece coat with top orange trimmed zipper and double D ring for leash attachment. Back: Measure length of pet's back from the base of the neck to the base of the tail. Neck: Measure the circumference of the pet's neck for a snug, not tight fit. Chest