Patent ID: 6979287

Claim:
Footwear comprising: a support member having an upper surface attachable to a foot, and two bulbous protuberances, each having a curved outer contour, protruding from a lower surface thereof, one of said protuberances being positioned more posteriorly than the other of said protuberances wherein said protuberances are attached to a centerline of said support member, said centerline extending from a calcaneus support portion of said support member to at least one of a metatarsals support portion and phalanges support portion of said support member, and wherein said protuberances are attached to said support member on opposite sides of a latitudinal midline of said support member, said latitudinal midline being halfway between a calcaneus support portion and a phalanges support portion of said support member, wherein said protuberances provide proprioceptive exercise to a wearer of the footwear.