Ulster coat

Ian Chesterton once wore an Ulster that belonged to the First Doctor at the Plain of Pamir, and as they travelled overland to China in 1289. (TV: Marco Polo) The Doctor claimed that the Ulster was "a trifle too big" for him and that he had gotten it from Gilbert and Sullivan. (TV: "The Brink of Disaster")

The Eleventh Doctor wore an ulster coat when posing as Sherlock Holmes when meeting Walter Simeon and the Great Intelligence. (TV: The Snowmen)

Behind the scenes
In NOTVALID: Daleks versus the Martians and Daleks' Invasion Earth 2150 A.D., Louise wore an ulster coat.