This is an authentic M1 Helmet Liner from the Vietnam War, made in the United States in 1969 It is an original and named with vintage sweatband perfect for collectors of militaria. The helmet liner is a crucial component for soldiers' personal field gear, and this one is in excellent shape.
The Conflict aspect of this item is the Vietnam War (1961-75), and it is a great addition to any collection related to that period. The Original/Reproduction aspect confirms that this item is authentic and not a reproduction. The Country/Region of Manufacture aspect adds to its collectible value. This helmet liner is a must-have for anyone interested in the Vietnam War or militaria in general.