FR COMPLIANCE – Certified and tested to protect against arc flash hazards: NFPA 70E, ASTM F1506; ATPV 4.6 cal/cm2, CAT 1HI-VIS COMPLIANCE – Meets ANSI/ISEA 107-2020 standard for hi-vis apparelMODACRYLIC MESH –GlenGuard FR Fabric, 5.6oz modacrylic mesh body and binding (87% Modacrylic & 13% Kevlar Material)EASY ON/OFF – FR hook & loop closure with D-ring access on back of vestHIGH VISIBILITY – 3M Scotchlite FR reflective that meets ANSI/ISEA 107-2020 visibility requirementsCONVENIENT POCKETS – 1 interior, 1 dual pen pocketFR MIC TAB – Single radio mic tab made from FR modacrylic material