also: カバーロール
noun
coverall; coveralls; boilersuit
A one-piece protective garment worn over regular clothes, often used in mechanical work, painting, or industrial settings.
工場ではカバーオールを着用してください。
Please wear coveralls in the factory.
彼はカバーオールに着替えて車の修理を始め
He changed into coveralls and started repairing the car.