2. Bowflex Boost. Activity trackers make the best healthy stocking stuffers! There are a ton out on the market these days, but this Christmas we’re digging the new Bowflex Boost ($49.95), a 24-hour monitoring bracelet that tracks steps taken, distance walked, calories burned and sleep quality — all while letting you view your fitness progress over time. Designed with Bluetooth for wireless syncing with your cellie, Bowflex Boost is currently available for iOS devices 4s and higher.
Best for: The high-tech fittie who wants ALL THE DATA.