Fluorescent yellow oxford polyester. Climate Gear weather-resistant work gear. ANSI/ISEA 107-2004 Class 3 certified. 3-piece set includes: Jacket, bib pants, and detachable hood. 3M Scotchlite reflective stripes add night time visibility and safety. Bib style pants with heavy-duty buckles to adjust strap length and snap fly front. Snaps on jacket and pant cuffs for snug fit.