Abstract: An insert system for an article of footwear includes an outer assembly, a first insert assembly and a second insert assembly. The outer assembly is configured to interchangeably receive the first insert assembly and the second insert assembly. The first insert assembly includes a first sleeve member and a first midsole configured to provide enhanced cushioning and support. The first sleeve member includes a tongue and a fastening member that wraps around the tongue. The second insert assembly includes a second sleeve member and a second midsole configured to enhance speed.

Abstract: An article of footwear including a connecting member is disclosed. The connecting member provides partial decoupling between the upper and the sole structure. The connecting member can include an upper layer and a lower layer that are attached at a central attachment portion.

Abstract: An article of footwear includes a decoupled foot stabilizer system. The foot stabilizer system is decoupled from a midfoot region of the article of footwear. The foot stabilizer system includes a plurality of strap members. The foot stabilizer system may optionally include a bootie. The plurality of strap members extend underneath a portion of a foot of a wearer. The plurality of strap members are configured to receive a lace at one end. A lace running through the ends of the strap members pulls on the strap members when the lace is tightened and causes the foot stabilizer system to conform to the wearer's foot.

Abstract: A sole assembly including a midsole made of resilient cushion material and having an upper support surface configured to support a plantar region of a human foot, a lower surface and a sidewall connecting the upper and lower surfaces. An outsole is provided on the lower surface and configured to provide traction with a ground surface. Further, at least one sidewall hole provided in the sidewall and configured to provide ventilation to the foot, wherein the at least one sidewall hole is provided at a predetermined position in the sidewall in order to accommodate a characteristic of the foot.

Abstract: A sole assembly including a midsole made of resilient cushion material and having an upper support surface configured to support a plantar region of a human foot, a lower surface and a sidewall connecting the upper and lower surfaces. An outsole is provided on the lower surface and configured to provide traction with a ground surface. Further, at least one sidewall hole provided in the sidewall and configured to provide ventilation to the foot, wherein the at least one sidewall hole is provided at a predetermined position in the sidewall in order to accommodate a characteristic of the foot.

Abstract: A sole assembly including a unitary midsole having an upper support surface configured to support a plantar region of a human foot, and a substantially contiguous lower surface extending from a heel portion of the sole assembly to a toe portion of the sole assembly. A semi-rigid heel cradle is coupled to the upper support surface and configured to cradle and support a heel region of the foot from beneath the foot and to support a plurality of sides of the foot when the foot is rested in a heel area of the sole assembly. Further, an outsole is provided on the substantially contiguous lower surface and configured to provide traction with a ground surface.

Abstract: A sole assembly which includes a heel cradle configured to cradle a heel of a human foot when the human foot is rested within the heel cradle, a rigid upper plate including a first part connected to the heel cradle and a second part located farther from the heel cradle than is the first part, a lower plate including a first part of which is connected to the first part of the upper plate and including a second part which is connected to the second part of the upper plate, an oblong gap located between the upper plate and lower plate and between the first and second parts of the upper and lower plates. A sole assembly including an upper plate and a lower plate stiffer than the upper plate and attached to the upper plate so as to form an oblong gap. Also, a shoe including the sole assembly.