A comfortable fit The Ridge Sport Band is fit for comfort, smooth and flexible thanks to its fluorelastomer material. Strong and durable with its resistance to different temperatures, chemicals and weather. It sits softly on your wrist as you go from indoor to outdoor activities. Better grip for greater accuracy Designed to stay in place, the Ridge Sport Band has a firm and stable grip on your wrist, giving it improved accuracy when measuring your health rate during light or intense workouts.