A group of 'bros' who met on Instagram started LA's latest fitness craze

The newest way to work out apparently involves breathing deeply and learning to listen.

The Wildfire Initiative is Los Angeles' hot new workout trend. It's a wellness group run by four guys ("a quadrumvirate of enthusiastic bros," according to New York Magazine) who teach people how to train their mind, body, and spirit through hiking, meditation, and heavy breathing. It's free to attend and takes place in Runyon Canyon.

We spoke to its cofounder, the singer-songwriter Bryan Ellis, and he told us everything you need to know about the fad: