What's the best fitness-tracking wearable?

I'm one of those in the small percentage of people that's allergic to the Nike Fuelband's and old Fitbit's adhesive. Better options?
KateCommunity @ Product Hunt · Asked
1
Fitbit Alta HR

The power of heart rate in the world’s slimmest design yet

Chris GallelloFounder @ Purple · Written
I can't live without HR tracking, and this is the most comfortable option.
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