A needle assembly for a stitching machine comprises a stitching jig comprising a needle holder, a needle clamp hoop and a fixing jig. The needle holder has needle sockets to hold a plurality of needles. The needle clamp hoop is connected to the needle holder to retain needles in the sockets. The fixing jig is connected to the needle clamp hoop to couple with a reciprocating bar of the stitching machine. A method for manufacturing an article of footwear upper comprises laying out a first sheet of material; positioning a second sheet of material to overlap with the first sheet of material at an overlap; positioning a felt material adjacent the overlap so that the second sheet of material is between the first sheet of material and the felt material; and felting the felt material to draw fibers of the felt material through the first and second sheets of material.

The invention relates to footwear and portions thereof having structural features and decorative designs thereon, and related systems and methods for manufacturing same. An example method for providing a feature on a surface of an object includes positioning a laser proximate the surface of the object, directing a laser beam from the laser to the surface of the object to mark or engrave at least a portion of the surface of the object, and moving at least one of the laser or the object to create a pattern on the surface of the object, the pattern providing at least one of an aesthetic or a structural feature on the surface of the object.

The invention relates to footwear and portions thereof having structural features and decorative designs thereon, and related systems and methods for manufacturing same. An example method for providing a feature on a surface of an object includes positioning a laser proximate the surface of the object, directing a laser beam from the laser to the surface of the object to mark or engrave at least a portion of the surface of the object, and moving at least one of the laser or the object to create a pattern on the surface of the object, the pattern providing at least one of an aesthetic or a structural feature on the surface of the object.

An article, such as an article of footwear or an article of apparel, includes an upper having a gradient-like coloring pattern. The article further includes protruding elements configured in a pattern that corresponds to the coloring pattern. The article may have a layered structure including a base layer, a coloring ink layer and a layer of protruding elements.

An article, such as an article of footwear or an article of apparel, includes an upper having a gradient-like coloring pattern. The article further includes protruding elements configured in a pattern that corresponds to the coloring pattern. The article may have a layered structure including a base layer, a coloring ink layer and a layer of protruding elements.

Articles of wear comprises iron oxide colloidal nanocrystals arranged within chains are described. The chains of nanocrystals display a color that is determined by a strength of a magnetic field applied to the chains of nanocrystals, wherein the color is maintained when the magnetic field is removed.

A needle assembly for a stitching machine comprises a stitching jig comprising a needle holder, a needle clamp hoop and a fixing jig. The needle holder has needle sockets to hold a plurality of needles. The needle clamp hoop is connected to the needle holder to retain needles in the sockets. The fixing jig is connected to the needle clamp hoop to couple with a reciprocating bar of the stitching machine. A method for manufacturing an article of footwear upper comprises laying out a first sheet of material; positioning a second sheet of material to overlap with the first sheet of material at an overlap; positioning a felt material adjacent the overlap so that the second sheet of material is between the first sheet of material and the felt material; and felting the felt material to draw fibers of the felt material through the first and second sheets of material.

A method and apparatus for printing on an article are disclosed. An embodiment of a method may include the generation of a virtual mask that can designate areas for printing and/or designate areas to exclude from printing. A method may include utilization of the virtual mask during either 2D or 3D printing such that a print design is printed in areas designated for printing by the virtual mask.

A method and apparatus for printing on an article are disclosed. An embodiment of a method may include the generation of a virtual mask that can designate areas for printing and/or designate areas to exclude from printing. A method may include utilization of the virtual mask during either 2D or 3D printing such that a print design is printed in areas designated for printing by the virtual mask.

A graphic transfer assembly is disclosed. The graphic transfer assembly includes an inflatable member that is capable of expanding to fill the interior of an article of footwear. The graphic transfer assembly can include a fluid pump for filling the inflatable member.