If you don’t have an F45 Training studio near you yet, you likely will soon. While the brand was founded in Australia, new locations are popping up all over the US (seriously, just look at this map), thanks to the studio’s unique mix of high-intensity intervals, circuit training, and functional training. It promises to be unlike any group fitness class you’ve attended before, and not just because you’re bound to learn some new moves. F45 not only accommodates all fitness levels, but also champions every single person who comes to class. Before you book your first visit, keep reading to find out exactly what you should expect, including how much you’re likely to pay.