Saucony Endorphin Pro 4 trail the S/LAB Ultra Glide is

the S/LAB Ultra Glide is made to handle the demands of the trail

yet smooth and efficient by nature

86% Polyester

Functionality - Secret pockets secure personal items

Saucony Endorphin Pro 4 trail the S/LAB Ultra Glide isThe Saucony Endorphin Pro 4 snappy and responsive from the get go, yet smooth and efficient by nature. A miraculous feat we achieved by fusing PWRRUN HG and PWRRUN PB foam in the midsole an industry first. The combo is set on top of a full carbon plate engineered for longitudinal stiffness and maximum metabolic efficiency. And when you add Speedroll technology, proven to help you propel in a forward rolling motion, a silky smooth heel liner and