Women's Saucony Endorphin Pro 4 Men's Spikes It feels flexible when you

It feels flexible when you push off the ground

23% ice-cafe nylon & 9% spandex

The 360 degree reflective print flashes when lit up so you can be seen and stay safe

and more flexible take on this perennial classic

Women's Saucony Endorphin Pro 4 Men's Spikes It feels flexible when youThe Endorphin Pro 4 running shoe is a miraculous feat of engineering: snappy and responsive yet smooth and efficient. Something we achieved by fusing PWRRUN PB and PWRRUN HG together in the midsole an industry first. A full carbon plate adds longitudinal stiffness and maximum metabolic efficiency. And the silky smooth heel liner and integrated tongue system makes this marathon shoe feel like slipping on an old friend come race day. Made for Everyday