overalls

noun
  1. A type of garment consisting of trousers with an attached front flap over the chest and shoulder straps, often worn as protective clothing or workwear. noun
    The mechanic wore overalls to protect his clothes while working on the car.
    Farmers often wear overalls to keep their clothes clean while working in the fields.
  2. A loose-fitting, one-piece garment worn over regular clothes for protection or as a uniform, often covering the arms and legs. noun
    The painter donned a pair of overalls to avoid getting paint on his clothes.
    Children wore colorful overalls during the art class to keep their clothes clean.