Patent ID: 9320320
Filing Date: 2016-04-26
CPC Classification: A43B

Claim Text:
1. An exercise shoe, comprising: a front portion, a rear portion, an upper portion, an instep side portion, an opposite outside portion, and a sole portion joined to said upper portion, said front and rear portions defining an exercise shoe longitudinal axis, said exercise shoe front, rear, upper, instep side, outside and sole defining an exercise shoe interior for placement of a shoe wearer foot; said sole portion comprised of three layers: an insole, an inner sole, and an outsole, wherein said insole comprises a top layer, said outsole comprises a bottom layer and said inner sole sandwiched between the insole and the outsole; said sole portion further comprised of two bladders comprised of a rear bladder and a forward bladder, said bladders interconnected by a hollow, flow resisting conduit, each said bladder positioned within the inner sole adjacent to the outsole, said bladders of approximate equal size, wherein said bladders are filled with a liquid to approximately half their natural expanded volume; a plurality of porous fabric panels in the upper portion; a plurality of perforations in the insole; a plurality of short, thin metallic fibers imbedded into the outsole; a plurality of hollow vent tubes placed within the inner sole, each vent tube having a longitudinal axis transverse to the exercise shoe longitudinal axis, wherein each vent tube has at least one end opening out through a side portion.