Customizable Therapeutic or Occupational Shoe Sole and Methods of Manufacturing the Same

An energy returning shoe sole useful in conjunction with a subject, the shoe sole having a toe region, a ball region, an arch region and a heel region, the shoe sole comprising:

• an outsole;
• a shoe upper with a rear flap;
• a midsole comprised of shock absorptive material, wherein the midsole is coupled to the outsole and the shoe upper;
• and
• an energy returner configured, wherein the energy returner is integrated with the midsole via an opening in the midsole, the energy returner including:
• a front lever arm configured to be secured to a front bottom recess of the midsole;
• and
• a separable rear lever arm configured to be secured to a rear top recess of the midsole, wherein the rear lever arm includes a lever arm joint for coupling the rear lever arm to the front lever arm, and wherein the rear lever arm can be coupled to the front lever arm through the rear flap of the shoe upper after assembly of the midsole to both the outsole and the shoe upper.