MOUNTING PORTION STRUCTURE OF DOOR MIRROR

A door mirror has a mirror base attached to a door-side panel, and a mirror seal disposed between the mirror base and the door-side panel. A concave section at least a part thereof is formed by an outer edge portion of the mirror seal and that opens toward a side of a door is provided at an inner side of a front edge portion of the mirror base. A door weatherstrip has a wind entering restriction wall that crosses a front side of the door-side panel and protrudes in a vehicle outer side than the door-side panel, and that is inserted into the concave section.