Patent ID: 7380354

Claim:
A shoe comprising: an upper; a sole that is joined to the upper and has a first roll-up portion rolling upwards along a medial side face of a foot and a second roll-up portion rolling upwards along a lateral side face of the foot; a first belt fixed to the first roll-up portion of the sole at a first joined portion below a navicular bone and/or a medial cuneiform bone on the medial side of the foot; and a second belt fixed to the second roll-up portion of the sole at a second joined portion covering a distal caput of a fifth metatarsal bone on the lateral side of the foot, the first belt has the first joined portion, a first secured portion to be secured to the upper, and a first non-fixed portion that is not fixed to the upper or the sole between the first joined portion and the first secured portion, the second belt has the second joined portion, a second secured portion to be secured to the upper, and a second non-fixed portion that is not fixed to the upper or the sole between the second joined portion and the second secured portion, the first non-fixed portion of the first belt and the second non-fixed portion of the second belt cross each other in the shape of X at a crossing position approximately above the navicular bone, by having the first non-fixed portion, the first belt can be arranged in a tensioned state along a path extending from below the navicular bone and/or the medial cuneiform bone on the medial side of the foot to above or below an ankle on the lateral side of the foot through the crossing position approximately above the navicular bone without being restrained by the upper, and by having the second non-fixed portion, the second belt can be arranged in a tensioned state along a path extending from the position covering the distal caput of the fifth metatarsal bone to above or below the ankle on the medial side of the foot through the crossing position approximately above the navicular bone without being restrained by the upper.