Faster than your wildest dreams. It debuted at the head of the pack, and now the Endorphin Pro 2 is here to rewrite your race pace. Again. Improved fit and support let you focus on the finish line, while our winning combo of ultralight PWRRUN PB and a carbon fiber plate propel you there at top speed. Roll to a new PB SPEEDROLL Technology propels you forward with the feeling of continuous momentum. Elevated cushioning and a stiff forefoot combine for an instantly responsive ride so you can run faster, not harder. Fastest to the finish The Endorphin Pro 2 combines ultralight and springy PWRRUN PB cushioning with our signature S-curve carbon fiber plate for maximum SPEEDROLL effect. Getting more out of each stride makes running at top speed feel easier, so you get to the finish line faster. New, winning fit Improved heel support and an updated lacing system provide an even better fit than before, giving you a distraction-free ride start to finish. Lighter footprint This style contains recycled materials.