This stylish and safe insulated Bomber Jacket offers CAT 4 protection with an Arc Rating of EBT 43.3 calories/cm2. The outershell is flame-resistant 7 oz. twill 88% cotton / 12% nylon, with a water repellent finish. The insulation is flame-resistant 12 oz. two-layer quilted Modacrylic®. It features a separating, heavy duty, NOMEX® taped brass zipper, fully covered w/two layer storm flap. The two-layer stand-up collar, hemmed sleeve ends w/concealed snap closure, two large external patch pockets w/concealed snap closure, w/hand warmer, one inside chest pocket, deep pleated action back, full tunneled elasticized waistband, and accommodates snap-on hoods HLH2VN and HLH2RB, sold separately. Insulation Package: 12 oz. Lining: 100% Cotton. Insulation: 100% Modacrylic. Care: Home and Industrial Wash.