Gaiters

Gaiters were protective coverings of cloth or leather for the ankle and lower leg which keep things including mud, sand, snow, and liquids out; often worn by soldiers and explorers.

The Eighth Doctor wore gingerbread brown leather gaiters with his caramel brown boots.(COMIC: The Pictures of Josephine Day, A Matter of Life and Death, The Lost Dimension) up to his death on Karn during the Time War. (TV: The Night of the Doctor)

Throughout his life, the War Doctor wore charcoal leather gaiters (COMIC: The Clockwise War, The Lost Dimension, The Whole Thing's Bananas, etc) right up to his death after the Fall of Gallifrey. (TV: The Day of the Doctor)