Women's Saucony Endorphin Pro 4 Trail Running A redesigned upper feels light

A redesigned upper feels light on the foot while still delivering the supportive fit that has defined Mizuno running shoes for years

With a wide waistband that won't dig in

This technical running bag holds up to 2L and is crafted with weather-repellent fabric for a reliable shelter from the elements

and a center back pocket

Women's Saucony Endorphin Pro 4 Trail Running A redesigned upper feels lightThe 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