Saucony Endorphin Speed 5 Vest this electrolyte powder helps replace

this electrolyte powder helps replace key minerals lost in sweat without adding sugar

Integrated mitts and thumb loops for extra hand coverage

Crafted from eco-conscious recycled yarns with a breathable inner brief

And strategically-placed CloudTec® elements create a faster

Saucony Endorphin Speed 5 Vest this electrolyte powder helps replaceThe new Saucony Endorphin Speed 5 has arrivedfaster, smoother, and more refined than ever. Still built for speed day and race day, it now features a reengineered mesh upper for an improved fit, plus a redesigned outsole for greater durability and smoother transitions. With its trusted trio of SPEEDROLL technology, PWRRUN PB cushioning, and a semi rigid winged nylon plate, the Speed 5 strikes that perfect balance between snap, support, and comfort.