Sleeved Jacket Liner - Nomex® IIIA with four concealed snap-front closures, heavy rib-knit collar and cuff, two large slash-welted pockets, one inside left chest pocket and snaps into JLB8, JLJ8 and JNJ8 jackets.Fabric - Outershell: Flame-resistant, 4.5 oz. Nomex® IIIA (93% Nomex® Aramid / 5% Kevlar®Aramid / 2% Other Fiber).Insulation: Flame-resistant 10 oz. Quilted Nomex® .Care - Home Wash and Light Soil Wash.