Made of ANSI-compliant reflective and background materials to ensure the highest performance. 5.6 oz ANSI-compliant modacrylic mesh. ASTM F1506, ATPV of 4.6 cal/cm2, NFPA 70E CAT 1. 2" ANSI-compliant 3M™ Scotchlite™ FR reflective. Durable webbing on shoulders to hold radio mic. Two pockets, D-ring access slot, single mic tab. Machine washable.