To provide a shoe, from which its outsole can be easily detached by using a binding tool as well as a hook and loop fastener, and an auxiliary tool for removing the outsole.

A shoe body (10) into which a foot is put and an outsole (20) detachable from the shoe body (10) are provided. The shoe body (10) includes a band holding tool (13) to hold a binding tool (30), which is mounted on a bottom face (11b) of an outer part of an upper part, and a concave part (k) hollowed above a ground plane of the outsole (20) to contact the ground, which is formed on the ground plane (24b). Putting an end of a band part of the binding tool through the band holding tool (13) and a buckle part (30e) of the binding tool in the concave part (k) allows the shoe body (10) and the outsole (20) to be combined.