One piece. Insulated Vortex bib rain pant is made of the highest quality fluorescent orange rip-stop polyester and polyurethane material for ruggedness and long wear life. Exceeds ANSI Class E requirements to ensure you are seen in low light conditions and complex background. Loaded with many other features to make your work day as comfortable as you need it to be. Constructed with a polyester quilted liner that will keep you warm in temperatures as low as -27° F. Rugged full elastic suspenders feature easy release buckles for quicker changing. Full zip front bib gusset and zippered ankle gussets open to allow for easy on/off access. 10 outer pockets, 2 inner pockets, 2 mic-tab holders, and one hammer loop on left leg. Fluorescent orange and black pant features dual 2 inch silver reflective stripes trimmed in lime. Black shading on lower leg will hide soiling. Drawstring waist and adjustable hook and loop wrists, two way front zipper.