Amazon's Most-Loved Workout Equipment, From Weights to Folding Treadmills

Whoop 5.0 Health, Fitness & Activity Tracker ($199)

This fitness tracker comes with a 12-month subscription and can monitor your heart rate, respiratory rate, resting heart rate, heart rate variability, skin temperature, blood oxygen levels, daily activity, and sleep. It's insight-based and creates a personalized plan to reach your wellness goals. It even includes a water-resistant battery pack that charges your tracker while you wear it.