Get ready to torch calories with Le Sweat [1] founder Charlee Atkins [2]! This no-equipment HIIT workout [3] includes three circuits guaranteed to fire up your muscles and raise your heart rate to burn calories. The ab sections at the end will definitely have you feeling le burn! Grab some water, press play, and get ready to sweat.

On Anna: Koral leggings and bra [4], Define Your Inspiration tank [5], and APL shoes [6]. On Charlee: Athleta outfit [7] and Adidas shoes [8]. On Christina: LNDR leggings [9], Cotton on Body tank [10], and APL shoes [11].