4.5-ounce, 50% modacrylic / 30% lyocell / 10% aramid / 10% nylon mesh Meets the performance requirements of NFPA 70E and ASTM F1506 Meets ANSI / ISEA 107 standard Meets ANSI Class 2, Type R visibility standard Three-point hook-and-loop break-away at shoulders and center-front Harness port in back Left-chest pocket with pen stall and utility loop Locker loop facilitates hanging Imported