Women's Saucony Endorphin Pro 4 Size:10.0 - Improved sleep monitoring and

- Improved sleep monitoring and sleep score

- UPF 50 sun protection

Comfort at the Heel

Combined with woven

carrying up to two 500ml ultraflasks (included)

Women's Saucony Endorphin Pro 4 Size:10.0 - Improved sleep monitoring andThe 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: Speed