Modacrylic blend Flame Resistant solid or GlenGuard™ mesh material; FR hook-and-loop front closure; 2" wide Flame Resistant reflective material; Two inside lower patch pockets; One inside upper left 2-tier, 4-division pencil pocket; 25 piece minimum, 6-week lead timeANSI/ISEA 107 2015 / ANSI/ISEA 107 2020 Type R | Class 2NFPA 70E-2012 | ASTM F1506 | ARC 1Arc Rating/ATPV: Solid = 5.5 cal/cm2 | Mesh = 4.6 cal/cm2Fabric dye lot variances may occur and meet luminance factor as stated in the standard.;