UltraSoft® 9 oz insulated bib pants. Trim featuring 2 inch 8940 3M™ Scotchlite™ reflective material. HRC4. Shell: 9 oz 88% cotton, 12% high tenacity nylon from westex. Treated for flame resistance and guaranteed for the life of the garment. Insulation: 7 oz Modacrylic insulation (flame resistant). Wind/vapour barrier. Lining: 7 oz Flame resistant 88% cotton, 12% nylon lining.