The coats of domestic dogs are of two versions: "double" becoming prevalent in dogs (along with wolves) originating from colder climates, produced up of a coarse guard hair and also a comfortable down hair, or "one", Along with the topcoat only. Breeds can have an occasional "blaze", stripe, or "star" https://social-media48764.blogthisbiz.com/38301042/the-greatest-guide-to-dogs