Moleskin

Moleskin is a form of cotton named after the fur of moles.

The Eleventh Doctor wore double-breast overcoats of moleskin in olive green (TV: Let's Kill Hitler) or raven black. (TV: A Town Called Mercy)

The Eighth Doctor wore a bottle green moleskin overcoat up to his death. (Comic: Pictures of Josephine Day; TV: Night of the Doctor.

The War Doctor wore double breasted moleskin waistcoats in ginger (COMIC: The Clockwise War), navy blue, (COMIC: Ambush) or dark brown-green (TV: The Day of the Doctor).