The Whoop band, like a smartwatch without a screen, can track your exercise and sleep. The included app ($30/month or ...

I’ve tested Whoop’s Hydroknit bands over the last year or so in the ... options like Apple and Garmin – when worn on the upper arm. I expect many will pick up on this very quickly, but ...

Amber Rawlins, a freshman cadet from Hampton, Georgia, pursuing a degree in kinesiology with a concentration in exercise science, enjoys how the WHOOP band taps her arm to wake her up in the morning, ...