Sole comprising individually deflectable reinforcing members, shoe with such a sole, and method for the manufacture of such items

A method for the manufacture of a reinforcing structure for a shoe sole with at least one reinforcing member with a hollow section, the method comprising:

• a. injecting a liquid molding material into a molding cavity of a mold, the molding cavity having a shape corresponding to outer dimensions of the reinforcing member with the hollow section;
• b. injecting a displacement fluid into the molding cavity under pressure, wherein
• c. during steps a. and b. an exit path connecting the molding cavity to an outlet well is closed;
• and
• d. opening the exit path to release the pressurized displacement fluid and remove the liquid molding material from the center of the molding cavity to form the hollow section.