Endorphin Speed 5 - Men's Roof rebuildable floor pump designed for

rebuildable floor pump designed for performance and reliability

IsoSpeed comfort tech helps soak up jarring vibrations so you can float over chatter and potholes

Aethos 2 breaks the rules

ensuring your race goes all the way to the line with best-in-class flat protection

Endorphin Speed 5 - Men's Roof rebuildable floor pump designed forSaucony continues to refine the Endorphin Speed with a focus on keeping it light, quick, and versatile. As a cornerstone in the super trainer category, the Endorphin Speed 5 delivers a smooth, fast ride that adapts easily to any run. Its just as effective for adding life to easy recovery miles as it is for dialing up turnover on faster efforts. At its core is the PWRRUN PB superfoam midsole, known for its lively, responsive cushioning. The foam has