The Newest Fitness Trackers We Can't Wait to Sport

Part 24-hour activity tracker and part sports watch, the new Polar A300 ($160 without heart rate monitor) is perfect for the athlete who also wants to know her stats when she's not in the midst of a sweat session. In addition to tracking steps, distance, calories, inactivity, and sleep, the Polar A300 can also help you determine your fitness level and progress, and pairs with a heart rate monitor strap to measure your workouts accurately.