Men's Saucony Endorphin Pro 4 Hydration Backpack Stay incredibly dry with a

Stay incredibly dry with a liner made from Polartec® Power Dry® with Fresh Face™ technology

clear Run-Right Light ®

UPF 30+ protection

92% Nylon 8% Spandex

allowing for a more comfortable ride

Men's Saucony Endorphin Pro 4 Hydration Backpack Stay incredibly dry with aThe 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