also: イヤーウォーマ
noun
ear warmer; earmuffs
Refers to a band or cover worn over the ears to keep them warm in cold weather. Often used for the headband style rather than individual cup-style earmuffs.
冬のランニングにはイヤーウォーマーが欠かせない。
An ear warmer is essential for winter running.
彼女は毛糸のイヤーウォーマーを編んでくれた。
She knitted a wool ear warmer for me.
耳あて is the native Japanese word for earmuffs or ear covers, often implying a warmer attached to a headband or hat. イヤーウォーマー is a loanword that typically refers to a sporty, headband-style ear warmer.
Loanword from English 'ear warmer'.