防寒帽

1. Origins, structure, and basic meaning

• Structure: 防寒帽 (ぼうかんぼう) is a noun for a winter hat or cold-weather cap protecting the head and ears.
• Basic usage: It describes preparing a thick hat for snowy mountains or wearing one that covers the ears.
  • 雪山へ行くので厚い防寒帽を用意した。 — I prepared a thick winter hat for the snowy mountain.
  • 耳まで覆う防寒帽をかぶって外へ出た。 — I went outside wearing a hat that covered my ears.

2. Common pitfalls and similar expressions

• Verb used for a hat
  • A hat is worn with 防寒帽をかぶる; this differs from 着る, which is used for putting clothing on the body.