The Indoor Cardio Routine That Puts The Treadmill To Shame 

Fitbit Blog – Originally published Feb. 6, 2018

Let’s be honest, getting outside in the cold can be challenging. And with the recent extreme subzero temperatures sweeping across much of the US, it can even be dangerous. The gym is an option, but sometimes getting there can be tough. What if there were a simpler way to boost your cardio in winter?

Read more: The Indoor Cardio Routine That Puts The Treadmill To Shame – Fitbit Blog