Cotton Web Dog Walking Harness XLarge. Fits Girth 35"-40". 1.4" Wide Straps, Mastiff, Great Dane, Cane Corso Made of strong and durable 1.4" wide Cotton Web, features nickel-plated hardware, metal-enforced eyelets, heavy duty D-ring Chest girth: 35"-40". Most suitable for XLarge breeds Lighter weight, high quality Cotton Web. Very comfortable, allows the dog to have relaxed movement of muscles, makes it flexible and efficient. Please measure your dog for fit before you place the order.