In Long Coats, the coat should be of a soft texture, either flat or slightly wavy, with undercoat preferred. Ears – Fringed. Tail – Full and long (as a plume). Feathering on feet and legs, pants on hind legs and large ruff on the neck desired and preferred. (The Chihuahua should be groomed only to create a neat appearance.) Disqualification – In Long Coats, too thin coat that resembles bareness.