Saucony Women's Endorphin Pro 4- White/Violet (S10939-129) boys When you're working up a

When you're working up a sweat

Data informed outsole placement

the Kilkenny XC 9's accommodating fit and 4-pin plate will help you conquer the course and crush your goals

Bigger dual-density CloudTec® for serious energy return

Saucony Women's Endorphin Pro 4- White/Violet (S10939-129) boys When you're working up aProduct Details: The 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.