| 摘要 |
PURPOSE: A functional shoe sole is provided to protect the joints of a user and to improve the beauty of the shoe sole. CONSTITUTION: A functional shoe sole comprises an insole (10), a midsole (30), and an outsole (20). The insole is installed with an interval from the outsole. The midsole comprises circular pipes combined with the insole and the outsole. The circular pipes are spaced from each other and have different inner diameters. |
