Getting faster, made easier. For athletes looking for a performance advantage on every run, the Endorphin Speed makes running fast feel easier. The ultralight PWRRUN PB cushioning takes energy efficiency to new heights. The reduction in fatigue means running at top speed feels easier, so you get to the finish line faster. The SPEEDROLL, an always- forward geometry, creates a lively rolling feel underfoot. It’s a propulsive ride that’s unique to Saucony, feeling instantly responsive and natural at the same time. FORMFIT ensures a locked-in fit that’s light on foot with breathable engineered mesh and 3D-printed structure where needed most.