also: い
noun
General term for clothes or garments. Often used in literary or formal contexts; in everyday speech, 服 (ふく) is more common.
彼女は美しい衣をまとっていた。
She was clad in a beautiful garment.
この衣は絹でできている。
This garment is made of silk.
服 is the common everyday word for clothes. 衣 is more literary or formal, and can also refer to a single garment or robe.
The reading きぬ is native Japanese, while い is the Sino-Japanese reading. The kanji 衣 pictographically represents a garment.