• 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. Its thick bed of springy
• PWRRUN cushioning alone provides a plusher take on SPEEDROLL and makes the Endorphin Shift 2 perfect for every distance and any day of the week, especially those when you want your shoes to do a little more work for you.
• A new, trimmed-down TPU heel counter shaves off weight while providing great heel fit. Up top, enjoy A more breathable mesh for all-day comfort. This style contains recycled materials