Vintage WWII USMC HBT Coveralls. These would have been worn by U.S. Marine Corps mechanics during WWII. HBT stands for herringbone twill, one of our favorite fabrics. It was used for many military garments pre-1950s, these feature the 13 star tack buttons, overall in great condition with some fading, past owner removed the attached belt. Stamped M-5440
