noun
indoor school shoes; hallway slippers
Refers to shoes worn inside school buildings, typically soft-soled and kept at school. Often contrasted with outdoor shoes (下靴).
See also: 上履き (うわばき)
学校に着いたら上靴に履き替えます。
When we arrive at school, we change into our indoor shoes.
上靴を忘れたので、一日中スリッパで過ごした。
I forgot my indoor shoes, so I spent the whole day in slippers.
noun
Waterproof overshoes worn over regular shoes, mainly in rainy or snowy weather. Less common in modern daily life; often replaced by rain boots or waterproof footwear.
昔は雨の日に上靴を履いて通学したものだ。
In the old days, we used to wear overshoes to school on rainy days.