| 摘要 |
PROBLEM TO BE SOLVED: To provide an outsole plate structure for sports shoes, the structure that enables quick turn in the movement.SOLUTION: An outsole plate structure for sports shoes has an outsole plate body 1 extended from a forefoot area F to a heel area H, and in the bottom face 1A of the outsole plate body 1, a groove 2 extending from an external back side to an internal back side edge to an oblique rear and distributed in a fan shape, and comprising two or more grooves 21-25 is formed in a triangular area TR formed by connecting the positions corresponding to a thumb ball area TE of a foot, a little finger ball area HE of the foot and a sustentaculum tali portion ST of a heel bone CC. In an external back side area of the triangular area TR, a high rigidity area 3 (3A, 3B) with the rigidity higher than the rigidity of the triangular area TR is provided at the position corresponding to the part of a midfoot area M to the position corresponding to the part of the heel area H. |
