Abstract: The present disclosure, in one aspect, provides an upper for an article of footwear. The upper may include a knitted component. The knitted component may include a knit element, a first tensile strand with an exposed first end, and a second tensile strand with an exposed second end. The first tensile strand may be at least partially inlaid within the knit element, the second tensile strand may be at least partially inlaid within the knit element, and the exposed first end of the first tensile element may be secured to the exposed second end of the second tensile element. One or more braids including tensile strands can be part of a main braid configured to wrap around a heel region of the upper and to be secured to a medial side of the upper.

Abstract: The present disclosure, in one aspect, provides an upper for an article of footwear. The upper may include a knitted component. The knitted component may include a knit element, a first tensile strand with an exposed first end, and a second tensile strand with an exposed second end. The first tensile strand may be at least partially inlaid within the knit element, the second tensile strand may be at least partially inlaid within the knit element, and the exposed first end of the first tensile element may be secured to the exposed second end of the second tensile element.

Abstract: An article of footwear includes an upper coupled to a sole structure. The upper has a ground facing surface, and opposing medial and lateral sidewalls disposed on and extending from opposite medial and lateral sides of the ground facing surface. The sole structure is formed from a plurality of non-coextensive, thermoplastic foam layers, where each layer extends across a portion of the ground facing surface of the upper. These layers include at least a first foam layer and a second foam layer. The first foam layer has a different hardness and/or density than the second foam layer. Each of the first foam layer and the second foam layer extends into direct contact with, and is directly adhered to the lateral sidewall and the medial sidewall of the upper, and the first foam layer is secured to the second foam layer via an adhesive or a thermal weld.

Abstract: A sole structure for an article of footwear includes a first cushioning element, a second cushioning element, and a panel disposed within a joint formed between the first cushioning element and the second cushioning element. The first cushioning element includes a first surface and a second surface formed on an opposite side from the first surface. The second cushioning element includes a third surface and a fourth surface formed on an opposite side from the third surface. The third surface of the second cushioning element is joined to the second surface of the first cushioning element to form a joint between the first cushioning element and the second cushioning element, where the fabric panel is interposed between the first cushioning element and the second cushioning element within the joint. The panel may be a fabric panel, and more particularly, may include a mesh textile material.

Abstract: An article of footwear includes an upper and a sole structure that is thermoformed to the upper. The upper has a ground facing surface, and opposing medial and lateral sidewalls disposed on opposite sides of the ground facing surface. The sole structure has an inner surface adhered to the upper and an outer surface that is opposite the inner surface. The sole structure includes a thermoplastic base layer that defines the inner surface of the sole structure. The sole structure further includes a thermoplastic outer layer integrally formed with the base layer. The outer layer has a plurality of protuberances, each protuberance has an outer face that defines a portion of the outer sole surface, and the outer layer further includes a plurality of splayed sipes extending across a portion of the sole structure. Each splayed sipe generally extends between at least two adjacent protuberances.

Abstract: An intermediate sole structure for an article of footwear includes a foamed thermoplastic sole component. The foamed thermoplastic sole component has a foamed thermoplastic base layer and a foamed thermoplastic outer layer that is integrally formed with the foamed thermoplastic base layer. The outer layer includes a plurality of sipes extending through the outer layer and terminating at the base layer. The thermoplastic sole component has an inner surface defined by the base layer, an opposite, outer surface defined by the outer layer, and a thickness defined between the inner surface and the outer surface. The inner surface is substantially planar and is operative to be adhered to a ground-facing surface of an upper. Additionally, the thickness is smaller at a peripheral edge of the sole component than within a central region.

Abstract: An article of footwear includes a sole structure with an auxetic structure. The auxetic structure includes an aperture. The sole structure also includes an aggregate that is received in the aperture. The auxetic structure is resiliently deformable between a neutral position and a deformed position. The auxetic structure can move auxetically between the neutral position and the deformed position. The aperture deforms as the auxetic structure moves between the neutral position and the deformed position. The aggregate includes a plurality of particles that support the foot as the auxetic structure deforms between the neutral position and the deformed position.

Abstract: An upper for an article of footwear may include a knitted component having an auxetic portion. The auxetic portion may be configured to move between a first position and a second position as the knitted component stretches. The knitted component may also include a tensile strand inlaid within at least one of a course and a wale of the knit element, where the tensile strand extends through the auxetic portion, and where the tensile strand is selectively securable to the knit element via a securement device. The securement device may be spaced from the auxetic portion.

Abstract: An article of footwear has an upper and a sole structure. The upper includes a base layer and one or more tensile strands. The sole structure includes an auxetic element operable to expand in two orthogonal horizontal directions in response to a tension applied in one of the directions. Each tensile strand has at least one end secured in fixed position relative to a peripheral region of the sole structure.

Abstract: A sole structure for an article of footwear can include provisions for providing auxetic behavior in the sole structure. The sole structure can comprise multiple layers that may each have different types of auxetic material. The outsole can include at least one auxetic portion joined to one non-auxetic portion. Similarly, the midsole can include at least one auxetic portion joined to one non-auxetic portion. Apertures formed in the auxetic portions of the outsole can extend through at least part of the midsole.

Abstract: A material that includes at least one layer made of an auxetic structure and articles of footwear having soles comprising the materials. When the material is under tension, it expands in both the direction under tension and in the direction orthogonal to the direction under tension. The articles of footwear have soles that have at least one layer made of a material that has a pattern of apertures to provide the auxetic structure. The apertures are surrounded by sole portions that can rotate or pivot to change the size of the apertures. An outer covering can be mated with an outsole structure formed by the auxetic structure. The outer covering includes features that mate with the apertures in the outsole structure. The outer covering is elastic and can stretch to accommodate expansion of the auxetic structure.

Abstract: A pre-tensioned article and method of making an article of footwear involving pre-tensioning a sole structure during manufacturing. In some embodiments, the sole structure may include a plurality of apertures that provide an auxetic effect. In further embodiments, the upper may also be pre-tensioned in a similar manner as the sole structure.

Abstract: A knitted component may include a knit element that has an auxetic portion configured to move between a first position and a second position as the knitted component stretches. The knitted component may also include a tensile strand inlaid within at least one of a course and a wale of the knit element, where the tensile strand extends through the auxetic portion, and where the tensile strand is selectively securable to the knit element via a securement device. The securement device may be spaced from the auxetic portion.

Abstract: A sole system for an article of footwear may include one or more of the following: a knitted component including an underfoot portion having a plurality of knitted cleat members; and an outsole cover assembly having a plurality of recesses corresponding to the plurality of knitted cleat members of the knitted component. The outsole cover assembly may substantially cover the underfoot portion of the knitted component.

Abstract: A pre-tensioned article and method of making an article of footwear involving pre-tensioning a sole structure during manufacturing. In some embodiments, the sole structure may include a plurality of apertures that provide an auxetic effect. In further embodiments, the upper may also be pre-tensioned in a similar manner as the sole structure.

Abstract: A sole structure of an article of footwear is provided and includes a first midsole portion including a first sidewall and a second midsole portion including a second sidewall. The sole structure also includes a first sheet disposed between the first midsole portion and the second midsole portion and including a first surface and a second surface formed on an opposite side of the first sheet than the first surface. The first sheet includes one or more apertures extending through the first sheet from the first surface to the second surface. The first midsole portion and the second midsole portion are operably connected through the one or more apertures of the first sheet.

Abstract: A vacuum formed knit sole system for an article of footwear incorporating a knitted component is described. The article of footwear includes a knitted component including a lower portion forming the knit sole system and an upper portion forming a portion of the upper of the article of footwear. A method of vacuum forming the knitted component using an insert member to form the knit sole system is also described. The insert member can be used to form the shape of the knit outsole, including the shape of cleat members, as well as remain within the interior of the upper to reinforce the knit sole system.

Abstract: A sole structure includes a mid-foot region, a heel region, a lateral side and a medial side is provided. The sole structure has a first sole element including a first inner surface having a plurality of first surface features, whereby at least one of the first surface features has a different configuration than another one of the first surface features. The sole structure further includes a second sole element including a second inner surface having a plurality of second surface features configured to interface with the first surface features. A panel is disposed between the first sole element and the second sole element, such that the sole element is disposed on a first side of the panel and the second sole element being disposed on a second side of the panel, opposite the first side.

Abstract: A sole structure for an article of footwear is provided. The sole structure includes a first midsole portion, a second midsole portion, and a sheet. The first midsole portion includes a first sidewall. The second midsole portion includes a second sidewall. The sheet is disposed between the first midsole portion and the second midsole portion and extends from the first sidewall and the second sidewall. The sheet extends at least partially over the second sidewall.

Abstract: A sole structure includes a sole component, which has an inner surface and an outer surface opposite the inner surface. The sole component has a length and a thickness. The sole component includes a sole material, and the sole material has a density. At least one of the thickness or the density varies along the length of the sole component. The sole component defines a plurality of holes extending from at least one of the inner surface and the outer surface and arranged to form an auxetic structure. The auxetic structure is configured such that, when the sole component is tensioned in a first direction, the sole component expands in both the first direction and in a second direction orthogonal to the first direction. A property of the auxetic structure varies as a function of the density or the thickness of the sole component.