A method of fabricating a wearable device having one or more integrated electronic components, including providing a substrate having an elastomeric material, at least one metal additive, and/or a carbon source additive； forming electrical circuitry within the elastomeric material by structuring one or more electrically conductive traces and plating the one or more electrically conductive traces； and providing the electrical circuitry with a sensor, wherein the sensor is configured to come in direct contact with skin of an individual.
