Stay smooth and run fast in the Saucony Endorphin Speed 5! This neutral running shoe supports every step from training to race day. Find your comfort zone in the engineered mesh upper. Feel soft and snappy transitions from the semi-rigid nylon plate and PWRRUN PB foam midsole. Whether you're pushing the pace during training or chasing a PR on race day, the Saucony Endorphin Speed is fit for high speeds! What's New? Updated engineered mesh upper improves comfort during fast-paced runs and daily wear. Reconfigured outsole with extra heel coverage improves durability. Who's it for? Athletes who want a fast shoe that gives them an edge on every run, from speed sessions to race day. Neutral runners searching for a lightweight plated trainer for fast workouts and daily runs. Shoe Technology Upper: Lightweight engineered mesh keeps you comfortable during up-tempo runs and daily movement. Midsole: Semi-rigid nylon plate sandwiched between two layers of energetic PWRRUN PB foam provides smooth propulsion with every stride. SPEEDROLL technology offers effortless speed and explosive forward motion. Outsole: Reconfigured outsole with extra heel coverage improves durability. Full-length longitudinal grooves provide smooth transitions through your gait cycle.