THESE SHOES HAVE BEEN WORN 5 TIMES FOR A TOTAL OF 25 MILES. GREAT TREADS ON THW SHOES. Faster than your wildest dreams. Born from speed, The Endorphin Pro 2 was designed to help you step up your race pace, one step at a time. A superior fit and extra support means you can keep your eye on the finish line. And with our ultralight PWRRUN PB and a carbon fiber plate, there’s no doubt you’ll get there faster than ever before.