noun
work clothes; business attire
Clothing worn for work, ranging from uniforms and overalls to business suits. The context determines whether it refers to manual labor wear or office attire.
工場では仕事着に着替える。
At the factory, I change into work clothes.
明日の面接のために新しい仕事着を買った。
I bought new business attire for tomorrow's interview.
スーツ is a loanword for a business suit, whereas 仕事着 can refer to any work-related clothing, including suits.
Compound of 仕事 (work) and 着 (clothing).