<p>An impact absorbing body installed at the foot of the occupant of an automobile and between a vehicle body panel and a mat laid down on the cabin side of the vehicle body panel. A plurality of load support parts of V-shape in cross section forming grooves positioned parallel with the cabin side-face of the vehicle body panel arranged parallel with each other along the cabin side-face of the vehicle body panel, and the load support parts adjacent to each other are connected to each other with a flat plate-like bridging part.</p>