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 equally well to pace increases., USED ​​IN EXCELLENT CONDITION, WASHED AND READY TO USE. They have some small imperfections on the sole, check the photos. IT HAS INSOLES, VERY COMFORTABLE BUT THEY ARE NOT THE ORIGINAL