This is the 11903rd most frequent Korean word.
넥워머
Neck warmer.
In this sentence, '넥워머' (neck warmer) is used as a noun to refer to an item of clothing designed to keep the neck warm.
바람이 차가워 넥워머를 착용했어요.
I wore a neck warmer because the wind was cold.
Here, '넥워머' is again used as a noun, showing its functionality in keeping the neck warm outdoors.
넥워머를 하고 나가니까 목이 따뜻하네요.
After going out with the neck warmer on, my neck feels warm.
This sentence uses '넥워머' in a generic sense to discuss its usefulness during the cold season.