To provide shoes used for muscle training and rehabilitation that can be mass-produced easily, and in which sticking force or the like, can be regulated.

Dovetail or T-groove slots 5 are provided in the form of a skeleton on the sole 4 of shoes 1 from the toe to the heel, and a necessary training device is arranged detachably in the required portions of the skeletonlike slots 5, an exercise device 7 including suction cups different in sticking force can be mounted/demounted freely changeably on/from the slots 5 in a manner that permits load regulation.