To provide footwares which enable altering of specifications thereof while securing a midsole material without deviation by allowing a user to change the midsole easily.

In the simple footwares, a midsole material 3A is fitted into a recess part 9 formed in the top surface of a sole part body 2. A planner fastener 11 is mounted each on the bottom surface of the recess part 9 and the undersurface of the midsole material 3A and the planar fasteners 11 and 11 are engaged with each other to temporarily retain the midsole 3A. The midsole material 3A herein used is obtained by employing a natural material such as bamboo, that 3B having numerous protruded parts for stimulating meridian points, or those using other various material.