noun
gaiter; puttee
A cloth or leather covering worn over the lower leg and shoe, historically used in military and outdoor contexts. In modern Japanese, it may refer to similar protective legwear.
from French guêtre
昔の兵隊はゲートルを巻いて行軍した。
Soldiers in the past marched wearing gaiters.
登山のとき、ゲートルを着けると靴に小石が入りにくい。
When hiking, wearing gaiters helps keep pebbles out of your shoes.