However, they also have a soft, thick undercoat beneath the wiry outer guard hairs. (dogcare.dailypuppy.com)
It reaches through the outer layer of fur to remove undercoat without cutting attached outer guard coat the way some steel - bladed combs can. (thecoathook.com)
It has a harsh outer guard coat and a thick, soft down undercoat which protects against extreme weather. (thepawspaok.com)