Recent Examples on the WebNot to be confused with feathers, down comes from the undercoat of ducks or geese. Lexie Sachs, Good Housekeeping, 12 Aug. 2022 The cover is made of a polyester fabric with a waterproof undercoat, and has double-stitched seams to prevent damage from water from seeping in. Kylee Mcguigan, Popular Mechanics, 11 Aug. 2022 This dog, originally bred as a cold-weather hunting companion with a dense undercoat and harsh outer coat, can often be independent and stubborn, but will remain protective and loyal to its family. Mattie Schuler, Outside Online, 6 Dec. 2013 Hertzko's brush has fine, bent-wire bristles that are able to get deep into your pet's coat and even grooms the undercoat without aggravating their skin. Caitlyn Hitt, PEOPLE.com, 24 June 2022 Masterful herders, who offer generations worth of skill, use a combing technique to shear the undercoat, delicately done by hand. Cassell Ferere, Forbes, 21 Apr. 2022 Always ready for adventure—especially in the snow—the high-energy Norwegian Elkhound has a smooth outer coat and a wooly undercoat. Mattie Schuler, Outside Online, 6 Dec. 2013 Like the rest of their body, their tail is covered in a dense woolly undercoat with long, coarse guard hairs. Corryn Wetzel, Smithsonian Magazine, 11 Mar. 2022 Cashmere came from the undercoat of superfine fibres on the underbelly of other goats. Terrance Hayes, The New Yorker, 24 Jan. 2022 See More