Abstract: A unitary hollow shoe bottom comprises a bottom and a sidewall integrally molded with the bottom and extends upwardly to form a cavity and a periphery top edge surrounding the cavity. The unitary hollow shoe bottom further comprises a thick platform section and a raised rear high heel section, where the raised rear heel section is elevated substantially above the thick platform section. A reinforcing brace member is transversely positioned across the platform section and secured within two opposite offset recesses located on the periphery top edge and flush with the periphery top edge for supporting the ball of the foot of a person.

Abstract: A two-piece shoe bottom system including a platform structure and a hollow interchangeable heel structure. The platform structure comprises a lower forepart portion, a raised rear heel portion, and a middle wedge portion connecting the forepart portion to the raised rear heel portion. The raised rear heel portion is elevated substantially above the forepart portion so that it will correspond to a particular height of the interchangeable heel structure. A reinforcing bolt member is molded to the underside of the raised heel portion of the platform structure. The hollow interchangeable heel structure is detachably attached to the reinforcing bolt member.