Systems and methods are described for a shoe sole for relieving pressure from a wearer's metatarsal heads. In one aspect, a shoe sole comprises a shoe outer sole comprising a shaft region, a ball region, and a toe region. The shaft region underlies metatarsal shafts of the wearer and comprises a first lower surface, the ball region underlies metatarsal heads of the wearer and comprises a second lower surface, and the toe region underlies phalanges of the wearer and comprises a third lower surface. The second lower surface is raised relative to the first lower surface and the third lower surface.

An insole comprising a shell component and a chassis component. The shell component comprises support bars that define framing apertures and the chassis component comprises undercut channels that define raised pod sections.

An article of footwear may include a sole structure fixedly attached to an upper defining an internal cavity configured to receive a foot of a wearer. The sole structure may include an exposed outer member configured to contact the ground, the exposed outer member including a first aperture, and a sensory feedback member disposed at least partially within the first aperture in the outer member, the sensory feedback member including a first end and a second end. The first end of the sensory feedback member may include a projection extending through the first aperture and configured to contact the ground. In addition, the second end of the sensory feedback member may include a plurality of flexible bristles extending through a portion of the sole structure and exposed to the internal cavity.

An article of footwear may include a sole structure fixedly attached to an upper defining an internal cavity configured to receive a foot of a wearer. The sole structure may include an exposed outer member configured to contact the ground, the exposed outer member including a first aperture, and a sensory feedback member disposed at least partially within the first aperture in the outer member, the sensory feedback member including a first end and a second end. The first end of the sensory feedback member may include a projection extending through the first aperture and configured to contact the ground. In addition, the second end of the sensory feedback member may include a plurality of flexible bristles extending through a portion of the sole structure and exposed to the internal cavity.

A somatosensation and proprioceptor stimulation surface configured to stimulate rapid-firing nerves in the receptive field of a user's glabrous skin. The somatorsensation and proprioceptor stimulation surface includes a plurality of protuberances disposed thereupon, each protuberance sized and spaced apart appropriately to impress the receptive field when pressed in contact with the glabrous skin of the user. Each protuberance widens from an apex toward a base whereby increased pressure applied to the surface increases an area of contact and stimulation by applying stimulation over a larger area of skin. The protuberances are spaced apart to maximize stimulation of rapid firing nerves while lessening overstimulation. The somatosensation and proprioceptor stimulation surface is rendered in the form of a mat or floor covering and alternatively as an insole for wear in a user's shoes.

A somatosensation and proprioceptor stimulation surface configured to stimulate rapid-firing nerves in the receptive field of a user's glabrous skin. The somatorsensation and proprioceptor stimulation surface includes a plurality of protuberances disposed thereupon, each protuberance sized and spaced apart appropriately to impress the receptive field when pressed in contact with the glabrous skin of the user. Each protuberance widens from an apex toward a base whereby increased pressure applied to the surface increases an area of contact and stimulation by applying stimulation over a larger area of skin. The protuberances are spaced apart to maximize stimulation of rapid firing nerves while lessening overstimulation. The somatosensation and proprioceptor stimulation surface is rendered in the form of a mat or floor covering and alternatively as an insole for wear in a user's shoes.

A forefoot orthotic device has multiple regions configured so that impact, propulsive or standing forces experienced by the forefoot of the user are accelerated, decelerated, shifted. transferred, or lessened, so as to promote pain reduction or otherwise address or treat conditions of the forefoot. In one implementation, the device includes expanded areas adapted to underlie the first and fifth metatarsal heads and cushion or offload forces therefrom. In still other variations. the device includes a plateau and regions adjacent the plateau and sloping downwardly therefrom, so that the time during which painful regions of the forefoot experience force, such as during gait or standing, is lessened in favor of transferring such forces to adjacent regions which potentially are less in need of treatment or protection from such forces.

A forefoot orthotic device has multiple regions configured so that impact, propulsive or standing forces experienced by the forefoot of the user are accelerated, decelerated, shifted. transferred, or lessened, so as to promote pain reduction or otherwise address or treat conditions of the forefoot. In one implementation, the device includes expanded areas adapted to underlie the first and fifth metatarsal heads and cushion or offload forces therefrom. In still other variations. the device includes a plateau and regions adjacent the plateau and sloping downwardly therefrom, so that the time during which painful regions of the forefoot experience force, such as during gait or standing, is lessened in favor of transferring such forces to adjacent regions which potentially are less in need of treatment or protection from such forces.

A sole of a shoe includes a forefoot support portion R1 that supports a forefoot of a foot of a wearer, a midfoot support portion that supports a midfoot of the foot of the wearer, and a rearfoot support portion that supports a rearfoot of the foot of the wearer, which are connected in order from a front side toward a rear side. A ground contact portion having a portion positioned on a lowermost line connecting a lowermost point of the forefoot support portion and a lowermost point of the rearfoot support portion in a side view is formed in a medial-foot-side region of a bottom surface of the midfoot support portion. A protrusion protruding toward the medial foot side is formed on a medial-foot-side side surface of the midfoot support portion.

A sole of a shoe includes a forefoot support portion R1 that supports a forefoot of a foot of a wearer, a midfoot support portion that supports a midfoot of the foot of the wearer, and a rearfoot support portion that supports a rearfoot of the foot of the wearer, which are connected in order from a front side toward a rear side. A ground contact portion having a portion positioned on a lowermost line connecting a lowermost point of the forefoot support portion and a lowermost point of the rearfoot support portion in a side view is formed in a medial-foot-side region of a bottom surface of the midfoot support portion. A protrusion protruding toward the medial foot side is formed on a medial-foot-side side surface of the midfoot support portion.