A sole structure can include provisions for improving the cushioning characteristics and stability of an article of footwear. The sole structure may include multiple layers with specialized structural properties designed to integrate regions of stiffness with cushioning layers. In some cases, the sole structure can include at least two independent stability layers that differ in stiffness.

An article of footwear includes an upper and a sole structure with a sole member. The sole member can be manufactured using a system that modifies the forefoot cushioning of the sole member over a series of footwear purchases. The modifications can be configured to correspond to a customer's evaluation of the forefoot cushioning previously purchased. The sole member can include a set of apertures or incisions that are formed along various surfaces of the sole member to adjust the cushioning characteristics of the sole member.

A shoe including: an upper configured to receive therein a foot of a wearer, the upper comprising a closure and a tongue configured to cover a top portion of the foot; at least one wire lace coupled to opposing edges of the closure and configured to pull the opposing edges of the closure closer together to tighten the closure around the foot, and configured to release and allow the opposing edges to move away from each other to loosen the closure around the foot; and at least one support wire coupled to the at least one wire lace, wherein the at least one support wire wraps around a lateral, bottom and medial side of the upper such that when the at least one wire lace tightens the closure around the foot, the at least one support wire tightens around the lateral, bottom and medial sides of the upper.

A track and field shoe can include an upper and a sole structure. The upper includes a medial side portion, a lateral side portion, and a toe box portion. The sole structure is attached to the upper and includes a spike plate. The spike plate has an anterior portion, a posterior portion, a plurality of spikes, and a plurality of rails. The spikes extend in an inferior direction from the anterior portion of the spike plate and are configured for engaging a track surface. The rails extend in a superior direction from the anterior portion of the spike plate and extend over an exterior surface of the toe box portion of the upper, and the rails comprise longitudinal axes that extend in a superior/inferior direction.

A track and field shoe can include an upper and a sole structure. The upper includes a medial side portion, a lateral side portion, and a toe box portion. The sole structure is attached to the upper and includes a spike plate. The spike plate has an anterior portion, a posterior portion, a plurality of spikes, and a plurality of rails. The spikes extend in an inferior direction from the anterior portion of the spike plate and are configured for engaging a track surface. The rails extend in a superior direction from the anterior portion of the spike plate and extend over an exterior surface of the toe box portion of the upper, and the rails comprise longitudinal axes that extend in a superior/inferior direction.

A sports shoe having an upper, an insole and a sole, the insole being secured to the sole, extending in a longitudinal direction and having an anterior part that is able to receive the forefoot, a central part that is able to receive the midfoot, and a posterior part; wherein the posterior part and the central part of the insole are made of a rigid material, and wherein the sports shoe has a cushioning element positioned in the posterior part of the insole, the cushioning element being able to cushion and receive the heel.

A sports shoe having an upper, an insole and a sole, the insole being secured to the sole, extending in a longitudinal direction and having an anterior part that is able to receive the forefoot, a central part that is able to receive the midfoot, and a posterior part; wherein the posterior part and the central part of the insole are made of a rigid material, and wherein the sports shoe has a cushioning element positioned in the posterior part of the insole, the cushioning element being able to cushion and receive the heel.

The present invention relates to a method and apparatus for a ladies shoe that is constructed of a heel comprising multiple designs, each design is attached as desired by the user to attain the preferred heel length. Thus, a convertible shoe is provided, and consists of a shoe top portion, bottom portion, and sole. The top portion could be changeable in colors and designs, as per the requirements of the users. Alternatively, each of the interchangeable top portions may include unique features, such that the features of the shoe may be modified by exchanging top portions. The interchangeable sole portions may include a common set of features (e.g., structure, design, color, etc.). This convertible shoe is especially useful for women as it has a strong grip and is noise free while walking.

A shoe support structure comprising a hard rubber-like material and a gel material. The rubber-like material is constructed so that it has a change in thickness beginning at the arch, where it slopes down, leveling out at a thickness of about 1¼ inches. This change in thickness creates a frontal recess, leaving a bead of rubber at the outer edge. This cavity holds a thick cushion of about 1¾ inches of highly viscous gel material held in place by the rubber lip and adhered to the elastic material. This creates a cushion when the foot applies weight. The front of the sole and the back of the heel are equal in height, giving the entire surface equal height planes for balance. The two materials are one rubber like, one gel like and slope toward each other at the arch in identical angles.

A sole structure for an article of footwear may include a chamber for receiving a pressurized fluid, the chamber having a first chamber barrier layer and a second chamber barrier layer bonded to the first chamber barrier layer about peripheral portions of the first chamber barrier layer and the second chamber barrier layer to define an interior void between the first chamber barrier layer and the second chamber barrier layer. The sole structure may also include a tensile member bonded to, and extending between, the first chamber barrier layer and the second chamber barrier layer. The sole structure may include a bond inhibiting material located between the tensile member and the first chamber barrier layer, the tensile member and the first chamber barrier layer being unbonded in an unbonded area in which the bond inhibiting material is disposed. The chamber may include an outwardly extending bulge in the unbonded area.