K-swiss, Inc.

Graham Jelley

Brian Keating

David Joseph Preskar

Kenneth J Liu

Exemplary embodiments of the invention provide a sole assembly having a first fixed portion and a second removable portion, wherein the removable portion is removably mounted to allow replacement, at least one projection extending from a peripheral edge area of the second portion and configured to be engaged with at least one portion of the sole assembly, at least one aperture formed in the second portion and at least one securing device which projects at least partially through the at least one aperture to secure the second portion to the sole assembly.

Shoe having a replaceable portion and replacement method

An athletic shoe includes a sole assembly and a cushioning arrangement disposed within the sole assembly. The cushioning arrangement includes a cushioning element, and a stiffening spring at least partially surrounding the cushioning element. The spring has a stiffness greater than the cushioning element. The athletic shoe can include a sole assembly having cushioning arrangements provided across a width of the sole assembly. In a preferred arrangement, similar cushioning assemblies are disposed on medial and lateral sides of the shoe, with three additional cushioning assemblies provided between the lateral and medial assemblies. Each of the lateral and medial assemblies can include a stiffening spring that at least partially surrounds at least one cushioning element.

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Taichung, Taiwan

Graham Jelley