Flame resistant 88 % cotton 12 % high tenacity nylon. Telescopic back for comfort. Heavy-duty, two-way Nomex taped brass zipper. Long sleeves with adjustable snap. Side vent openings with hidden snap closure. 2 front quarter-top pockets. 2 double stitched large back pockets (hidden snap closure on left side). 2 double stitched large chest pockets with flap hidden snap closure (pencil division on left pocket). Reflective tape on arms, legs, “X” on back, 2 vertical in front and all around the waist. Quadruple stitched on reflective tape. 2" enhanced visibility trim with center stitched 3M TM 3/4" FR #8940 reflective tape. Arc Rating ATPV 8.7 calories/cm2 Hazard Risk Category 2 Care: Industrial Wash.