Hoka Women's Mach XThe Rundown Tuned for training. Ready for race day. What do you get when you cross the comfort and support of the Mach with a propulsive Pebax plate? Youre looking at it. A pace pushing trainer built with high rebound cushioning; the new Mach X is supercharged with a layer of PEBA foam thats 34% more resilient than the Carbon X3 foam. Softer and snappier than ever before, this adaptable trainer is comfortable enough for endurance efforts and responds