A footwear includes a main shoe body provided with a recess on a bottom
thereof; an upper body fixed to the recess and having a plurality of
magnets arranged at intervals in a circumferential direction; a lower
body having a plurality of magnets arranged at intervals in a
circumferential direction, and connected with the upper body to be
rotatable relative to the upper body; and rollers mounted to the lower
body. The magnets of the upper body and the lower body are arranged so as
to return the rollers always to a regular position by magnetism acting
between the magnets of the upper body and the magnets of the lower body.