A door lower molding that has a main body molded of a synthetic resin by extrusion. The main body is fixed along a lower end of a door of a vehicle. The main body has a seal lip extended thereon, which closely contacts a rocker molding of the vehicle body when the door is closed. A core made of a synthetic resin is embedded in the main body. The seal lip may be covered on its outer side with a skin which has a flaw resistance characteristic and on its inner side with a sealing layer including silicone to prevent freeze-sticking to the vehicle body.