Shell: Flame resistant, 7 oz. (235 g/m² ) Twill, Water repellent|Insulation Package: 14 oz. (47 Shell: 88% Cotton/ 12% Nylon|Lining: 100% Cotton|Insulation Package: 100% Modacrylic Arc Rating ATPV 34 calories/cm² Elasticized shoulder straps with non-conductive adjustable hardwear Five large patch pockets & hip pocket with closure For cold jobs, this midweight insulated bib overall offers unbeatable warmth with CAT 2 AR/FR protection and deluxe features like rugged, double-reinforced knees. Hook and loop leg tabs ensure your coverall fits snugly around your boots.