The helmet includes a liner. The helmet and liner are used and shows ware from use. The item "US Military Issue Korean War Vietnam Era M1 Helmet Steel Pot with Liner Set Z6" is in sale since Wednesday, July 1, 2020. This item is in the category "Collectibles\Militaria\Vietnam (1961-75)\Original Period Items\Hats & Helmets".The seller is "0017265" and is located in Wilmington, Illinois. This item can be shipped to United States.