One piece work suit of herringbone twill fabric with a seven button front closure designed to protect against gas attack; buttons close in alternating directions. Fold over collar has two buttons sewn on neck in back and hanging loops inside. Button flap pocket on breast and two large flap pockets below waist (one side of flap sewn down). Waist has integral belt with bar loop buckle. Metal is painted black and buttons have a star cluster design. Back has large flap pocket and hammer pocket on right side. Sleeves have adjustable button close on cuff.