Patent ID: 8291614

Claim:
A shoe including: a shoe upper and a shoe sole including at least a bottom sole; at least a portion of said shoe sole being formed by a removable midsole section having an inner surface and an outer surface; at least a portion of the sides of said shoe upper being attached directly to the bottom sole such that the shoe upper envelopes, on the outside, at least the removable midsole section of said shoe sole, such that the removable midsole section of said shoe sole is located within a structure formed by a combination of said bottom sole and a portion of said shoe upper that is attached to said bottom sole, as viewed in a frontal plane cross-section when the shoe sole is upright and in an unloaded condition; the inner surface of the removable midsole section including at least one convexly rounded portion, said convexity being determined relative to a portion of the removable midsole section directly adjacent to the inner surface of the removable midsole section, as viewed in a frontal plane cross-section when the removable midsole section is upright and in an unloaded condition; the outer surface of the removable midsole section including at least one concavely rounded portion, said concavity being determined relative to a portion of the removable midsole section directly adjacent to the outer surface of the removable midsole section, as viewed in a frontal plane when the removable midsole section is upright and in an unloaded condition; each said concavely rounded portion of the outer surface of the removable midsole section being located on the removable midsole section at a location corresponding to the location of at least one convexly rounded portion of the inner surface of the removable midsole section so as to define a rounded portion of the removable midsole section located between said convexly rounded portion of the inner surface of the removable midsole section and said concavely rounded portion of the outer surface of the removable midsole section, as viewed in a frontal plane cross-section when the removable midsole section is upright and in an unloaded condition; the removable midsole section including at least two computer controlled compartments, each compartment containing a fluid, and wherein at least a part of each of said at least two computer controlled compartments is located in a single frontal plane cross-section of the removable midsole section when the removable midsole section is upright and in an unloaded condition; and at least one duct and/or valve providing fluid communication between said at least two computer controlled compartments.