Portwest® Nomex Essential 6oz Insulated Bib Pants, Royal Blue, Size XXXL (INS225RBRXXXL) EachSHELL FEATURES, Material is inherently flame resistant, No melt, no drip velcro, FR fleece lined hand pockets, Two way zipper,,INSULATION PACKAGE 14 OZ QUILTED FEATURES, Wind and vapour barrier,,STANDARDS, Nomex fabric meets the requirements of: NFPA 2112, CGSB 155. 20,,NFPA 1977, CGSB 155. 22, NFPA 70E, CSA Z462, ASTM F1506