Refers to footwear that covers the ankle and often part of the leg. Used for both a single boot and a pair of boots, like the English word.
冬は暖かいブーツを履く。
In winter I wear warm boots.
I bought new boots.
On snowy days, I wear waterproof boots.
I took off my boots before entering the house.
I tied my boot laces tightly before the hike.
long boots