FR Layer 4 1/4 Zip Top is made from a jersey knit blend of modacrylic/rayon yarns at 8.0 oz./sq. yard. The fabric is inherently flame resistant and has zero after-flame or melt/drip during test method ASTM D 6413-11. It is also HRC1 certified as defined by NFPA 70E. The fabric is soft against the skin, even while meeting these stringent standards. Fortiflame Layer IV fabric will keep the wearer dry from excessive moisture and is treated with Microban antimicrobial to resist odors.
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