Patent ID: 8074377

Claim:
A method of protecting a person's arch of a foot comprising: providing a shoe sole having a front foot portion, a middle foot portion and a rear foot portion, comprising: a first member covering at least a portion of an arch of a foot; and a second member placed under the first member, wherein: the first member and the second member are attached to each other in a first attachment section at a rear end of the front foot portion; the first member and the second member are attached to each other in a second attachment section at a front end of the rear foot portion; the first member includes a first deformable portion capable of bending deformation, formed between the first attachment section and the second attachment section; the second member includes a second deformable portion capable of bending deformation, formed between the first attachment section and the second attachment section; the first deformable portion includes a first upper surface and a first lower surface; the second deformable portion includes a second upper surface and a second lower surface; the first lower surface is facing the second upper surface; the first lower surface and the second upper surface are substantially spaced apart from each other in a vertical direction and not cooperatively in contact with each other; placing the foot of the person on the first upper surface to apply a load downwardly to the first upper surface, whereby the first deformable portion deflects downwardly until the first lower surface contacts the second upper surface and a portion of the first lower surface and a portion of the second upper surface cooperatively contact each other to deflect downward and a portion of the load applied to the first upper surface is applied to the second upper surface.