BIOSIGNAL DETECTING GARMENT An object of the present invention is to provide a 5 biosignal detecting garment capable of continuously and stably detecting a biosignal for a long period of time without causing discomfort to a wearer. The biosignal detecting garment of the present invention includes a crop top type or brassiere type garment body, an under belt that 10 have a fastening tool capable of adjusting a chest circumference size and that is disposed in a lower portion of the garment body, at least two or more electrodes formed of an electroconductive fiber, a connector for installing a measurement device configured to detect a biosignal, and a 15 wiring portion that electrically connects the electrodes and the connector. The electrodes, the connector, and the wiring portion are installed in the under belt, the garment body has a length from an apex of a shoulder portion of the garment body to an upper portion of the under belt of 20.0 20 cm or more and 35.0 cm or less, the under belt is formed in a bag shape with two pieces stacked, and an opening portion with a range of 1.0 cm or more and 10.0 cm or less is provided at a center of a front body piece. 25 Fig. 2
