The H37 model is a 2-layer hood, designed with long bibs and shoulder contour.
The H61 model is a 2-layer tube hood with shoulder notch and bound notch bottom.
The H71 model is a 2-layer seamless bib with shoulder gusset.
The H81 model is a 2-layer, long, seamless bib with notched shoulder.
Compliant to NFPA 1971, current edition.
Fire-Dex 2-Layer Knit Fire Hoods are available in multiple combinations of NFPA 1971-compliant knit materials.