simple clothes; humble clothes
Refers to plain, unadorned, or modest clothing, often with a nuance of humility or lack of luxury. Can be used in literary or formal contexts.
He wore simple clothes and lived a frugal life.
simple life; frugal life
Compound of 粗 (そ, 'coarse, rough, simple') and 衣 (い, 'clothing, garment'). The exact historical derivation is uncertain, but the word is conventionally associated with plain or humble attire.