overalls

A garment worn over other clothing to protect it; a coverall or boiler suit. A garment, for manual labor or for casual wear, often made of a single piece of fabric, with long legs and a bib upper, supported from the shoulders with straps, and having several large pockets and loops for carrying tools.

(in the plural) A garment, worn for manual labor, with an integral covering extending to the chest, supported by straps.

(outside North America) Loose fitting garment worn over regular clothes to protect them.

Loose fitting pair of pants with supporting cross-straps and a panel of material in the chest (called a bib), often associated with farm work.