expression, noun
something to wear; clothes
A general term for clothing or garments; literally 'thing to wear'. Used in everyday contexts.
旅行には着る物をたくさん持っていく。
I take a lot of clothes when I travel.
新しい着る物を買いに行こう。
Let's go buy some new clothes.
服 is the most common word for 'clothes' in modern Japanese. 着る物 is more literal and slightly less common.
衣類 is a more formal term for 'clothing' or 'garments', often used in written or official contexts.
Compound of 着る (kiru, 'to wear') + 物 (mono, 'thing'). The spelling 着物 is usually reserved for きもの (kimono).