noun
sportswear; sports clothes
General term for clothing worn during sports or exercise, such as jerseys, shorts, or tracksuits.
体育の授業では運動着に着替えます。
We change into sportswear for PE class.
新しい運動着を買った。
I bought new sports clothes.
Specifically refers to gym clothes or uniforms for physical education, often used in school contexts.
Compound of 運動 (undō, 'exercise, sports') and 着 (gi, 'clothing').