The coats of domestic dogs are of two versions: "double" currently being popular in dogs (in addition to wolves) originating from colder climates, created up of a coarse guard hair as well as a gentle down hair, or "one", with the topcoat only. Breeds might have an occasional "blaze", stripe, https://emilianoppkao.spintheblog.com/32143800/little-known-facts-about-dogs