The present document discloses a garment made of flexible material, comprising: a first measurement electrode integrated into the garment at a first location； a second measurement electrode integrated into the garment at a second location different from the first location； and a measurement circuitry configured to measure bioimpedance by using the first measurement electrode and the second electrode and to transmit the measured bioimpedance, and to measure electrocardiogram by using at least one of the first measurement electrode and the second electrode or another electrode, wherein the garment is an upper body garment, wherein the first measurement electrode is disposed above a heart level and the second measurement electrode is disposed below the heart level.
