Glass run for automotive door

A glass run, for an automotive door, attached to a glass run mount plate from an outside of a passenger compartment to seal a gap between a window frame and a window glass, the window frame extending to define a window opening of the automotive door, the glass run mount plate extending along an upper edge of the window frame toward the outside of the passenger compartment, the glass run comprising:

• a trim made from an elastomer, and including an upper wall extending along an upper surface of the glass run mount plate, a lower wall extending along a lower surface of the glass run mount plate, and an exterior wall, outside the passenger compartment, extending downward from a side of the upper wall outside the passenger compartment and continuous with a side of the lower wall outside the passenger compartment;
• a core embedded in the trim;
• a base member located at a side of the exterior wall outside the passenger compartment, and made from a material with a higher flexural modulus than the elastomer of the trim, wherein the elastomer includes a thermoplastic material and a thickness of the base member is thinner than a thickness of the exterior wall when viewed in a direction from inside to outside of the passenger compartment;
• and
• a decorative member fixed to a side of the base member outside the passenger compartment.