The present invention relates to wearable fitness device and fitness device interchangeable with plural wearable articles. In certain embodiments, the wearable fitness device includes a wearable article having a structure therein or thereon configured and dimensioned for holding a fitness device such as a pedometer in an oriented position. Fashion accessories with functional fitness device are described, thereby allowing one to track their steps while at work, shopping, an evening out, or anytime one is on the move. Further, a fitness device is provided that can capture steps practically and comfortably during a normal person's daily routine.