A scarf worn around the neck, especially for warmth. The term is neutral and common in everyday use.
I went out wearing a scarf because it was cold.
彼女は手編みの襟巻きをプレゼントしてくれた。
She gave me a hand-knitted scarf as a present.
It was cold, so I wrapped a scarf around my neck before going out.
I took off my scarf when I entered the room.