Ergodyne GloWear 8260FRHL ANSI Flame Resistant Modacrylic Lime Reflective Safety Vest, 4XL/5XL ANSI-compliant modacrylic mesh (5.6oz) body and binding Fabric passes ASTM F1506; ATPV of 4.6 cal/cm133 FR Hook and loop closure 2" ANSI-compliant 3M Scotchlite FR Reflective Pockets: One inside, one dual pen pocket D-ring access slot Single radio mic tab made from FR modacrylic material Made with GlenGuard FR Fabric