This year, the NBA pulled off what few other sports leagues have been able to: a season without a single case of COVID-19 among players and staff inside its protective “bubble.” One of the tools it used to maintain good health? The Oura Ring ($299). When slipped onto a finger, the sensor-packed wearable tracks heart rate, activity level, sleep—even body temperature. Oura’s app uses that data to generate a “readiness” score—“a holistic picture of your health,” says CEO Harpreet Singh Rai. In 2020, the NBA and Oura partnered; more than 2,000 people across the entire league ordered rings from the company, according to Oura, whose investors include former greats Shaquille O’Neal and Manu Ginóbili. Oura has also partnered with the WNBA and NASCAR, as well as the Las Vegas Sands casino company, to better monitor the health of athletes and employees. —Mandy Oaklander
Buy now: Oura Ring