NIKE, Inc.
Method and apparatus for dynamically altering a height of a sole assembly

Abstract:

A method and apparatus for dynamically altering a height of a sole assembly of an article of footwear uses an actuator having a retraction assembly and a traction assembly. A wedge is moved to different positions within a groove formed in the sole assembly. A user evaluates the performance of the footwear with the wedge at different positions while performing an activity. The user evaluations help determine an optimal height of the sole assembly.