​Dogs that have double coats, have one undercoat and an outer coat and there are a lot more breeds that have a double coat, than just the Spitz type dogs and dogs from cold climates. The Spitz type dogs are characterized by long, thick and often white fur, with pointed ears and muzzles and the tail is normally busy and often curls over the dogs back such as Huskies, American, Eskimo Dogs, Samoyed and other of the cold weather dogs. The Spitz type dogs are normally beautiful and fluffy looking.