Bulwark FR Deluxe Parka - Excel FR&reg; ComforTouch&reg; Fabric: Outershell - Flame Resistant 7 oz. twill 88% cotton/12% nylon- Water Repellent Insulation - Flame Resistant 12 oz. two layer quilted Modacrylic Lining: 100% Cotton Hazard Risk Category: CAT4 - NFPA 70E Compliant - Certified NFPA 2112 Protection: Arc Rating APTB 43.3 calories/cm2