The Coats of domestic dogs are of two kinds: "double" currently being frequent in dogs (and also wolves) originating from colder climates, designed up of the coarse guard hair plus a soft down hair, or "one", Using the topcoat only. Breeds may have an occasional "blaze", stripe, or "star" https://jasperebpdq.tkzblog.com/31650091/see-this-report-about-dogs