100% Polyester Imported 100% polyester fabric Features high visibility 2” Silver vertical reflective tape in suspender pattern over top of shoulders as well as 360° 2 continuous reflective bands encircling the torso. Shirt meets ANSI/ISEA 107-2010, Class 3 standards Flame retardant shirts meet NFPA 701 (2010) standards ; Self-extinguishing properties will diminish with washing Self-extinguishing under the ASTM D6413 test method when caught on fire