UNDERRUN PROTECTION AND VEHICLE

An underrun protection mounted on a vehicle body frame includes: a main body that is hollow in shape and has a longitudinal direction along the width direction of a vehicle; a connecting part connected to the vehicle body frame; a bracket provided farther toward a distal end in the longitudinal direction than the connecting part, inside the main body. The bracket includes a vertical panel disposed along the vertical direction, and a horizontal panel that is connected to a lower end of the vertical panel and is disposed along the longitudinal direction.