| 摘要 |
An outsole equipped with a spike is provided to improve functionality and practicality by making a plurality of spikes protruded to the bottom surface of the main body of the outsole. In a lower part of an outsole, a plurality of spike insertion holes(3) consisting of oval or the polygonal shape and the adjustment key insertion hole(4) composed of the circular shape are formed. On the upper side, a plurality of control gear insertion holes and driving gear insertion hole are formed on the respective location corresponding to a plurality of spike insertion holes and adjustment key insertion hole. In the top circumference, a main body of outsole(2) formed of gear belt insertion hole is formed. |
