United States of America - US WW2 M1 helmet liner Firestone - Military accessories

The M1 helmet liner produced by Firestone during World War II is an integral component of the iconic M1 helmet system used by United States military forces. Introduced in 1941, the M1 helmet itself became a standard piece of American combat gear through WWII and beyond, prized for its durable steel shell and adaptability. The liner, often made from molded resin-impregnated fabric or plastic, provided essential comfort, sizing adjustments, and additional wearer protection. Firestone, a major tire and rubber manufacturer, was among several contractors that produced these helmet liners to meet wartime demands. The liner's design includes suspension webbing and a headband to distribute weight and absorb shock, making it crucial for soldier safety and effectiveness on the battlefield. Collectors and military historians value original M1 helmet liners as tangible links to the material culture and industrial efforts of the WWII era.