Moleskin

Moleskin was a form of cotton used to forge clothing, named after the fur of a mole.

The Eleventh Doctor wore double breasted 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: The Pictures of Josephine Day, TV: The Night of the Doctor)

The War Doctor wore double breasted moleskin waistcoats in ginger, (COMIC: The Clockwise War) mahogany, (COMIC: The Whole Thing's Bananas), mustard yellow, (COMIC: Fast Asleep), and dark brown-green. (TV: The Day of the Doctor)

During the launching of the Titanic, the Ninth Doctor wore a double breasted frock coat of ebony black moleskin. (TV: Rose)

The War Master wore a single-breasted waistcoat of mustard yellow moleskin. (AUDIO: Killing Time)