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or the insole

Two forefoot Air Zoom units combine with ZoomX foam to store and return the energy back to you

Dual-density Fresh Foam X midsole foam delivers New Balance's most cushioned Fresh Foam experience

Saucony Endorphin Speed 5 Womens Running Shoes Size (US):9.5 Midsole graphicThe Saucony Endorphin Speed 5 is a lightweight performance trainer built for fast training and race day efforts. Combining responsive PWRRUN PB cushioning with a redesigned nylon plate and SPEEDROLL technology, it delivers smooth transitions and an energetic ride when you're chasing faster times. Best For Speed workouts Tempo runs Race training Road racing Key Features PWRRUN PB Cushioning Saucony's premium PEBA based PWRRUN PB foam delivers