Looking for the latest version? The women's Saucony Endorphin Speed 3 is available now.] The women's Saucony Endorphin Speed 2 uses a unique nylon plate to give you versatile speed during training runs or races. Designers incorporated the full-length plate into the midsole to create a more responsive ride. Combined with ultralight PWRRUN PB foam and Saucony’s SPEEDROLL shape technology, the Endorphin Speed 2 delivers incredible springiness and energy return. Saucony’s FORMFIT system gives you a dynamic, personalized fit, and an engineered mono-mesh upper is lightweight and breathable. With abrasion-resistant rubber placed strategically on the bottom of the shoe for better grip and durability, the women's Saucony Endorphin Speed 2 provides the boost you need to beat your best times.