Chemically treated Ultra-Cool 100% polyester mesh materialNon-sparking zipper front closure2? wide reflective material with 3? contrasting colorLeft chest mic tabLeft chest pocketANSI/ISEA 107 2015 / ANSI/ISEA 107 2020 Type R | Class 2Does not meet ANSI FR Requirements Test Method: D6413/ Less than 2 seconds after flame, less than 6 char lengthFabric dye lot variances may occur and meet luminance factor as statedin the standard.