A plate for an article of footwear having a sole structure includes an anterior-most point disposed in a forefoot region of the sole structure, a posterior-most point disposed closer to a heel region of the sole structure than the anterior-most point, and a concave portion extending between the anterior-most point and the posterior-most point. The concave portion includes a constant radius of curvature from the anterior-most point to a metarsophalangeal (MTP) point of the sole structure. The MTP point opposes the MTP joint of a foot during use.

A sole structure for an article of footwear comprises a sole plate that has a forefoot portion with a foot-facing surface. The sole plate has at least one groove extending at least partially transversely in the foot-facing surface. The at least one groove is open when the sole structure is dorsiflexed in a first portion of a flexion range, and closed when the sole structure is dorsiflexed in a second portion of the flexion range that includes flex angles greater than in the first portion of the flexion range.

A midsole includes an upper layer and a lower layer made of a foamed material; the upper layer is a low-hardness foamed material; the lower layer is a high-hardness foamed material; the low-hardness foamed material of the upper layer is a low-hardness, high-resilience material that has a higher specific gravity than the high-hardness foamed material, that has a low hardness that is lower than the hardness of the high-hardness foamed material, and that has a higher speed at which to recover to an original shape after being deformed than that of the high-hardness foamed material.

A sole structure for an article of footwear has a sole plate that may include a midfoot region, and also may include a forefoot region or a heel region. The sole plate may have a foot-facing surface with ridges extending longitudinally in the midfoot region and in the forefoot region or heel region. The sole plate may have a ground-facing surface with grooves extending longitudinally in correspondence with the ridges. A thickness of the sole plate from the foot-facing surface to the ground-facing surface may vary at a transverse cross-section of the sole plate through the ridges, or along a length of at least one of the ridges, or at both the transverse cross-section and along the length of the at least one of the ridges. The ridges may have crests at least some of which may extend non-parallel with one another in a longitudinal direction of the sole plate.

A midsole for sports shoes having a front isolation cavity, a side cavity, and a rear isolation cavity partially separating the recessed arch portion of the midsole from the rest of the midsole.

A sole structure for an article of footwear includes a midsole, where the midsole includes a cut-out section extending from a top surface of the midsole to a depth within the midsole. A support structure is disposed within the cut-out section, the support structure including a rail structure and a support plate that is movable in a sliding manner along the rail structure in a lengthwise direction of the sole structure. An insert is disposed within the cut-out section above the support structure.

An item of footwear for magnetotherapy comprises a lower sole in which there is defined a tread surface, an intermediate container which can be received in an opening which is defined in the lower sole, a magnetic field generator, a control unit, a battery, an inner sole which is or can be placed over the intermediate container and a vamp structure which is connected to the lower sole. The intermediate container is produced from material having greater rigidity with respect to the lower sole and comprises respective recesses which are intended to receive the magnetic field generator, the control unit and the battery, respectively.

A strobel for an article of footwear may include a casing having a peripheral flange and defining a cavity. The strobel may also include at least one cushioning member disposed in the cavity. An exterior surface of the casing facing away from the cavity may be a foot contact surface of the strobel and the peripheral flange may be configured for connection to a lower perimeter of a footwear upper of an article of footwear. A method of manufacturing an article of footwear includes securing a peripheral flange of the casing to a lower perimeter of an upper, the upper and the strobel defining a foot-receiving void of the article of footwear, the strobel having at least one cushioning member.

Provided herein is a process for the pretreatment coating and subsequent lacquering of plastics substrates, wherein a pretreatment layer is produced on a plastics substrate via application, onto the plastics substrate, of a solution or dispersion including at least one organic solvent (L) and, dispersed or dissolved therein, at least one plastic (K), and subsequent evaporation to remove the organic solvent. Then a lacquer layer is produced on the pretreated plastics substrate.

A sole structure for an article of footwear is provided. The sole structure includes an outsole having a ground-engaging surface and an upper surface formed on an opposite side of the outsole than the ground-engaging surface. A first cushion is disposed proximate to a medial side of the sole structure and includes a first fluid-filled chamber attached to the upper surface of the outsole and a second fluid-filled chamber attached to the first fluid-filled chamber and disposed between the first fluid-filled chamber and the upper. A second cushion is disposed proximate to a lateral side of the sole structure and includes a third fluid-filled chamber attached to the upper surface of the outsole and a fourth fluid-filled chamber attached to the third fluid-filled chamber and disposed between the third fluid-filled chamber and the upper. The second cushion is fluidly isolated from the first cushion.