Street clothes get dirty, have too many loops, pockets and fasteners and ride up at the waist. Overalls have none of these disadvantages and if you buy disposable you can bin them when you're finished.

Portwest S999 Men's Work Overalls - Protective Polycotton Coveralls Durable Workwear Boiler Suit for Mechanics Warehouse Garages DIY Navy, Large
4.0

GRS Mens Unisex C2 Dark Navy Boiler Suit Navy Coverall Overalls for College Student Workshop (Sizes: 2X-Small - 5XL)
4.0

Fort - Workforce Coverall - XL - Navy Blue Coveralls - 210gsm - Studded Pockets - Comfortable Work Suit - Durable Mens Overalls - Work Overalls for Men
4.0