Put your pace and endurance to the test in the Saucony Endorphin Speed 2. Featuring SPEEDROLL technology, it propels you forward, enabling consistent momentum. The flexible nylon plate creates better responsiveness, to help keep you energized. Finished off with cosy PWRRUN PB foam cushioning, these shoes work just as hard as you do. Saucony Endorphin Speed 2 features: Engineered mesh upper offers enhanced ventilation. Fine-tuned heel shape offers a locked-in feel. XT 900 rubber outsole provides traction and durability. Weight: 7.9 oz.