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Flame Resistant FR Class 3 Hi Vis Safety Vests - MCR Safety has expanded our high visibility line to include a flame resistant safety vest made with GlenGuard® mesh lime modacrylic / aramid blended fabric with FR reflective stripes. The FRMCL3L vest features three pockets, D-Ring access slot on the back, durable gray binding and a hook and loop front closure. The ANSI Class 3 vest also meets ASTM F1506 and conforms to NFPA 70E- HRC1 specifications with an Arc Rating of 4.6 cal/cm².  Looking for the best FR Hi Vis reflective safety vests? Look no further than MCR Safety!