Foot portion relief shoe, has signaling device which is arranged on non-contact surface of sole for producing and outputting signal at application of load on non-contact surface

摘要

The foot portion relief shoe (1) has sole (2) having contact surface (2'') and non-contact surface (2') constituted by a recess, for relieving a root portion. A signaling device (5) is arranged on the non-contact surface for producing and outputting a signal at the application of a load on the non-contact surface.