Garmin chest strap fabric for Forerunner 305, 310XT, 405, 405CX, FR60, Edge 605, 705, Oregon 300, 400t, Colorado 300 Black (Electronics)
Although initially this sensor seems light and comfortable, the edges prove hurtful and body movements with this model cut my chest after 30 minutes of running. Adhesive tape can be used to limit the problem, but it's honestly not practice and Forget