Wearing the Adidas Micoach Fit Smart is like having a personal trainer with you at all times-one that calculates heart rate, pace, calories, distance and stride rate as you exercise.
As the Fit Smart crunches all that data, a light on the left side of the display turns blue, green, yellow or red depending on the intensity of your workout. The sleek wrap stays out of the way and is available in black and white and two sizes.
Fit Smart is capable of storing up to 10 hours of workout data, which can be transferred by pairing the device with a smartphone or tablet app. $150; adidas.com
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