The phrase "soft undercoat" refers to a layer of fine and soft hair or fur that is found beneath the outer layer of an animal's coat.
Sentences with «soft undercoat»
The outer coat is hard with softer undercoat for insulation. (westieclubamerica.com)
This combination of soft undercoat growing with the guard hairs will also make your dog hot in summer, because the undercoat stops the air from getting to his skin and prevents the natural cooling process. (dogsnaturallymagazine.com)