Don’t hold back. This exhilarating, high-intensity interval training class is just 30 minutes of non-stop movement. For maximum efficiency, it’s all done in one place: on your mat. Fire it up with high-intensity intervals using weights, core balls, and your own body weight. Tone and strengthen as you sweat with scalable, full-body exercises proven to bring your fitness to a maximum. Get lost in the moment and come out stronger.