Patent ID: 7347831

Claim:
A sole assembly mounted in either one of a pair of shoes, comprising: a plurality of openings formed on a periphery; an outsole; an insole including a plurality of perforations therethrough, and a plurality of projections provided proximate a toe portion and in a heel portion; and a space defined by and between the insole and the outsole and including a plurality of curved grooves, a plurality of resilient pillars provided in an instep and interconnected the insole and the outsole, a first compartment in the heel portion, a battery located in the first compartment, a plurality of second compartments smaller than the first compartment and located in the instep and in the toe portion, a plurality of vibrating devices located in the second compartments, a first switch electrically interconnected the battery and the vibrating devices and exposed on the periphery, a plurality of channels, a heating element fastened in the channels, a second switch electrically interconnected the battery and the heating element and exposed on the periphery, and a circuit board with the first and second switches provided on its edge; whereby turning on the first switch will activate the vibrating devices to vibrate the projections to perform a first operation to massage the sole, and turning on the second switch will activate the heating element to perform a second operation to warm the foot.