Patent ID: 8056264
Filing Date: 2011-11-15
Classification: A43B,A43C

Abstract:
1. A shoe to be worn on a person's foot, which has an instep, a heel including a calcaneus, and an ankle including a talus, wherein a calcaneus load centerline is defined as extending along a centerline of loading of the calcaneus when the person stands on the foot, wherein said shoe comprises a sole, an upper structure and a releasable and adjustable fastening member, and wherein said upper structure comprises: an upper body including a bottom surface that is fixedly attached to said sole, an instep portion that extends upwardly from said bottom surface and that is positioned and configured to cover at least some of the instep of the foot, a heel portion that extends upwardly from said bottom surface and that is positioned and configured to cover at least some of the heel of the foot, and at least one extendable region that is respectively interposed, on at least a first side being a lateral side or a medial side of said shoe, between said heel portion and said instep portion along an upper opening of said upper body, such that said upper opening is bounded by said heel portion, said extendable region and said instep portion, wherein said extendable region is elastically extendable and contractable in a longitudinal direction of said shoe, wherein an ankle height is defined as a height, above said bottom surface, of a point of maximum lateral or medial protrusion of the ankle of the person's foot on said first side, and wherein a bottom end of said extendable region is located forwardly of the calcaneus load centerline and below a height corresponding to 55% of the ankle height, and an outside upper member that overlaps outwardly on at least some of said upper body and covers the talus of the person's foot on at least said first side, and that is bounded by at least a bottom edge portion, a rear edge portion and an instep edge portion, wherein said bottom edge portion is fixedly attached to said bottom surface of said upper body, a rear end of said bottom edge portion is located rearwardly of the calcaneus load centerline, said instep edge portion is separate from and extends onto said instep portion of said upper body and is connected to and adjustably and releasably secured by said fastening member of said shoe, and said rear edge portion is provided separate from said upper body and extends rearwardly of the talus, such that said rear edge portion and said instep edge portion of said outside upper member can be pulled outwardly away from said upper body when said fastening member is released.