The coats of domestic dogs are of two versions: "double" getting typical in dogs (and also wolves) originating from colder climates, built up of a coarse guard hair and a delicate down hair, or "single", Using the topcoat only. Breeds can have an occasional "blaze", stripe, or "star" of white https://chatgpt10998.theblogfairy.com/31138059/dogs-things-to-know-before-you-buy