Make every day feel like your best day. The Endorphin Shift 2 is the definition of effortless performance. It mixes a lofty bed of PWRRUN cushioning with propulsive SPEEDROLL Technology so you get more out of each stride. And with its perfect touch of stability, you can count on lots of feel-good miles, every day of the week. Rock and roll 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. Feels refreshingly plush 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. Streamlined stability 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. Lighter footprint This style contains recycled materials.