The coats of domestic dogs are of two kinds: "double" staying popular in dogs (as well as wolves) originating from colder climates, produced up of the coarse guard hair as well as a delicate down hair, or "single", with the topcoat only. Breeds might have an occasional "blaze", stripe, https://jaspercjpzj.mybjjblog.com/the-dogs-ideas-44870333