Abstract: This disclosure is directed to articles of footwear with adjustable dimensions. More specifically, the articles of footwear disclosed herein include sole structures with adjustable dimensions. In some instances, an article of footwear includes one or more removable insert members configured for adjusting the dimensions of a foot-receiving cavity of the article of footwear. Additionally or alternatively, a sole structure can include one or more flexible portions that can move between compressed and expanded states to accommodate feet of various dimensions. To accommodate the adjustable dimensions of the sole structures, an upper of the article of footwear can be stretchable.

Abstract: A footwear article includes a hinged portion in a heel region that may be biased in various positions to increase or decrease a size of a foot-insertion opening. The hinged portion may be arranged in a first position, in which the hinged portion is more upright and is in position to cup a wearer's heel or Achilles region when the footwear article is worn. In addition, the hinged portion may be rotated downward or rearwardly (e.g., away from the foot-insertion opening) to a second position, which may increase a size of the foot-insertion opening and/or may change an angle along which a foot can pass through the foot-insertion opening when the footwear article is being donned or doffed. One or more elastic members may be attached to the hinged portion and to some other portion of the footwear article to bias the hinged portion.

Abstract: A footwear article includes a hinged portion in a heel region that may be biased in various positions to increase or decrease a size of a foot-insertion opening. The hinged portion may be arranged in a first position, in which the hinged portion is more upright and is in position to cup a wearer's heel or Achilles region when the footwear article is worn. In addition, the hinged portion may be hingedly rotated downward or rearwardly (e.g., away from the foot-insertion opening) to a second position, which may increase a size of the foot-insertion opening and/or may change an angle along which a foot can pass through the foot-insertion opening when the footwear article is being donned or doffed. One or more elastic members may be attached to the hinged portion and to some other portion of the footwear article to bias the hinged portion.

Abstract: A footwear article includes a hinged portion in a heel region that may be biased in various positions to increase or decrease a size of a foot-insertion opening. The hinged portion may be arranged in a first position, in which the hinged portion is more upright and is in position to cup a wearer's heel or Achilles region when the footwear article is worn. In addition, the hinged portion may be hingedly rotated downward or rearwardly (e.g., away from the foot-insertion opening) to a second position, which may increase a size of the foot-insertion opening and/or may change an angle along which a foot can pass through the foot-insertion opening when the footwear article is being donned or doffed. One or more elastic members may be attached to the hinged portion and to some other portion of the footwear article to bias the hinged portion.

Abstract: This disclosure is directed to articles of footwear with adjustable dimensions. More specifically, the articles of footwear disclosed herein include sole structures with adjustable dimensions. In some instances, an article of footwear includes one or more removable insert members configured for adjusting the dimensions of a foot-receiving cavity of the article of footwear. Additionally or alternatively, a sole structure can include one or more flexible portions that can move between compressed and expanded states to accommodate feet of various dimensions. To accommodate the adjustable dimensions of the sole structures, an upper of the article of footwear can be stretchable.

Abstract: An article of footwear includes a sole structure and an upper. The upper is coupled to the sole structure so as to form a foot-receiving cavity therebetween. The upper comprises a first portion, a second portion, and an expandable panel disposed between the first portion and the second portion. The upper is movable between a compressed configuration and an expanded configuration. In the compressed configuration, the first portion and the second portion are coupled together at a location adjacent to the expandable panel and the expandable panel is collapsed. In the expanded configuration, the first portion and the second portion are spaced apart from each other at the location adjacent to the expandable panel and the expandable panel is exposed. One or more dimensions of the foot-receiving cavity are larger when the upper is in the expanded configuration than when the upper is in the compressed configuration.

Abstract: An attachment system for use with a prosthetic device includes a first component including a first surface, and further including one of a channel and a projection disposed on an opposite side of the first component than the first surface. A second component including a second surface, and including the other of the channel and the projection disposed on an opposite side of the second component than the second surface, the other slidably engaging the channel or the projection to selectively couple the first component and the second component together. One of the first surface and the second surface is operable to be attached to the prosthetic device, and the other is operable to be attached to a sole structure having a ground-engaging surface.

Abstract: An article of footwear includes a footwear component that is a tongue removably attachable to an upper. The tongue has a first set of lace guides extending outward of a perimeter of the tongue. The upper has a second set of lace guides. The first set of lace guides is interleaved with the second set of lace guides when the tongue is positioned adjacent the upper. The tongue is removably attached to the upper by a lace routed through the first set of lace guides and the second set of lace guides such that the tongue is hinged to the upper at the first set of lace guides and the second set of lace guides. The tongue may be reversibly, removably attached to the upper. A footwear system includes alternately removably attachable tongues.

Abstract: An attachment system for use with a prosthetic device includes a first component including a first surface, and further including one of a channel and a projection disposed on an opposite side of the first component than the first surface. A second component including a second surface, and including the other of the channel and the projection disposed on an opposite side of the second component than the second surface, the other slidably engaging the channel or the projection to selectively couple the first component and the second component together. One of the first surface and the second surface is operable to be attached to the prosthetic device, and the other is operable to be attached to a sole structure having a ground-engaging surface.

Abstract: An article of footwear includes a footwear component that is a tongue removably attachable to an upper. The tongue has a first set of lace guides extending outward of a perimeter of the tongue. The upper has a second set of lace guides. The first set of lace guides is interleaved with the second set of lace guides when the tongue is positioned adjacent the upper. The tongue is removably attached to the upper by a lace routed through the first set of lace guides and the second set of lace guides such that the tongue is hinged to the upper at the first set of lace guides and the second set of lace guides. The tongue may be reversibly, removably attached to the upper. A footwear system includes alternately removably attachable tongues.

Abstract: An attachment system for use with a prosthetic device includes a first component including a first surface, and further including one of a channel and a projection disposed on an opposite side of the first component than the first surface. A second component including a second surface, and including the other of the channel and the projection disposed on an opposite side of the second component than the second surface, the other slidably engaging the channel or the projection to selectively couple the first component and the second component together. One of the first surface and the second surface is operable to be attached to the prosthetic device, and the other is operable to be attached to a sole structure having a ground-engaging surface.