A restraint system for a driver of a vehicle comprises at least one protective bar (6), being supported on at least one pillar (2). To achieve an alignment, said at least on protective bar (6) is pivotably supported by means of at least on eccentric (8). The pivotability is lockable by at least one retaining means (11).

A multi-purpose vehicle includes a rollover protection structure frame (ROPS frame) associated with a seat. The ROPS frame includes right and left front struts, and right and left rear struts. A handrail frame is attached to a lateral outer side of the seat. A cover member is attached to the handrail frame and extends upwards from the handrail frame.

An impact absorber to be mounted on a vehicular exterior side surface of a vehicular interior part covering a vehicular panel from a vehicular interior side includes an opposite wall to be opposite the vehicular panel, outer walls extending from edges of the opposite wall toward a vehicular interior side, and mounting portions that are to be fit to mount members included on the vehicular exterior side surface of the vehicular interior part, each of the mounting portions including a basal portion being included at a vehicular interior side end of one of the outer walls and in contact with the vehicular exterior side surface of the vehicular interior part, a distal end portion being on a vehicular exterior side than the basal portion and to be secured to one of the mount members, and an intermediate portion connecting the basal portion and the distal end portion.

A backrest includes a panel-shaped base member that is provided along a main surface which includes a reference line extending in a direction intersecting a floor surface of a vehicle, and a retaining member that is provided on a front surface of the base member and that has a front surface which has a curved surface shape in a state in which the retaining member is supporting a load in a direction toward the main surface. Due to this configuration, the retaining member presents a curved surface shape due to the load of a standing passenger when the passenger leans against the backrest, and thereby the passenger's body can be stably retained.