EN469 standard flame resistant fire retardant waterproof and breathable,oil-repellency Fire fighting wear1,Nomex waterproof and breathable layer, thermal insulation layer and comfortable layer, the fire resistant garment has four layers.2,Outer layer: Nomex fabric3,Moisture barrier: PTFE membrane laminated with aramid or nomex felt4,Thermal barrier: non-woven felt5Comfortable layer: Nomex linner ...