A garment for incontinent children or adults is provided. The garment comprises a detection unit (11) that has a moisture sensor (18) for sensing excreta or bodily fluids, a response means (20) for producing a response signal in response to excreta being sensed by the sensor means and a transmitter means (14) for transmitting a trigger signal in response to the response signal. The garment also comprises a receiver unit (50) having a receiver (52) for receiving said trigger signal and alert means (58, 54) for generating an alert signal in response to receipt of said trigger signal.