Patent ID: 7533476

Claim:
An internal midsole assembly for a shoe comprising: a frame assembly having a bottom surface and an upper surface for supporting a foot, the frame assembly comprising at least a heel portion and an arch portion having a medial arch portion and a lateral arch portion; and the lateral arch portion of the frame assembly having a single tuberosity suspension zone for receiving and suspending only a tuberosity of a base of a fifth metatarsal bone, remote from a head thereof, of a wearer during use of the internal midsole assembly, and the single tuberosity suspension zone being a relatively softer area than an area of the frame assembly bordering and surrounding the single tuberosity suspension zone; a front anterior medial arch portion having a plurality of sequentially arranged medial arch protrusions, each of the plurality of sequentially arranged medial arch protrusions elongate with a longitudinal axis extending generally perpendicular to the inner side of the internal midsole assembly; a first medial arch protrusion located closest to a forward most portion of the internal midsole assembly extending downward and having a bottom surface which is substantially coincident with a plane defined by a base of the internal midsole assembly; and a last medial arch protrusion located closest to the heel portion extending downward toward but having a bottom surface which is spaced further away from the plane defined by the base of the internal midsole assembly, the first and the last medial arch protrusions facilitating a gently lowering of the front anterior arch of the foot during use of the internal midsole assembly.