Corduroy

Corduroy was a fabric made up of cords.

The Eighth Doctor wore an old brown corduroy suit on 1951. (PROSE: Endgame)

Janice wore a single-breasted blazer of tan corduroy. (GRAPHIC: Janice)

Information from invalid sources
Deborah (as played by Minnie Driver in the Doctor Who serial Father Time) had a "dowdy" appearance, as described by a costume designer, executed using unflattering jumpers and corduroy trousers. (PROSE: )