CrossFlowX™: Wrist Free Cardio Blast. ¾ length. We shaved 15 minutes off the full length to bring you 45 jam packed minutes of cardio flow awesomeness. Be prepared to sweat, smile, laugh, get your heart rate HIGH, and do it all without bending your wrists! So many of you have shared that your wrists are your biggest deterrent from practicing yoga. Not any more! Wristy Business? We’ve got you COVERED! Grab a block, roll out your mat, and get ready to feel AMAZING!!! XO, Heidi