The M65 Field Jacket Liner: A Great Piece of Gear for Adventure and Fox OutDoor M 65 Field Jacket Liner Quilted M 65 Field Jacket Liner M 65 Field Jacket Liner, Original GI X Small USED M 65 Field Jacket Liner, Original GI X Small USED. GI M 65 FIELD JACKET LINER Dimensional Size : S 3XL Country Of Origin : China KeyFeatures : Nylon quilted outer shell for comfort. 5 oz. of 100% polyester fiberfill for maximum warmth (not shown). Two 1 1 4" x 2 1 2" fabric extensions (per sleeve) to secure liner into each sleeve. Neck button holes. Genuine military type label so that you know it meets rigid military specifications. Dumbbell shape quilt pattern maximizes comfort & provides maximum insulation in every segment. Button holes for ease in attachment to M 65 jacket