Abstract: An insole has a configuration corresponding to either one of human feet, the insole having five toe recesses defined therein near a front end of the insole, each one of the toe recesses having a first boss extending from a bottom defining the toe recess, a first arch protrusion extending from the insole near the toe recesses and a central protrusion extending from a mediate portion of the insole, a rear end plan area defined near an rear end of the insole and a side protrusion extending from an inner side of the insole, each of the first arch protrusion and the central protrusion having at least one magnetic element received therein, the plan area having a protrusion extending therefrom in which a third recess is defined for an other magnetic element being received therein, a fourth recess defined in the insole near an outer side of the insole and yet another magnetic element being received in the fourth recess, the insole having a plurality of tiny bosses extending upwardly from the rest area of the insole a