A protective device for monorenal subjects or subjects with renal disease

There is described a protective device (1) for monorenal subjects or subjects with renal disease comprising : - a garment (2) wearable by a subject (P) at least at a lumbar region (L) of the subject (P) - at least one protective element (4) installed on said garment (2) at a portion thereof configured to be positioned at the lumbar region (L) of the subject (P) when the garment (2) is worn by the subject (P) - a belt element (6) configured to at least partially encircle the torso of the subject (P) in the lumbar region (L) and to exert a compressive action of the at least one protective element (4) against the lumbar region (L) of the subject (P).