Reinforced weldings increase structural durability

Introducing the Saucony Endorphin Speed 4, the ultimate fusion of speed and innovation in running footwear. Engineered with PWRRUN PB cushioning for unparalleled energy return, these shoes offer a responsive and propulsive ride with every stride. The lightweight design and FORMFIT technology provide a personalized fit and exceptional comfort, while the breathable mesh upper ensures ventilation during intense runs. Whether you're training for a race or aiming to elevate your performance, the Endorphin Speed 4 empowers you to reach new levels of speed and efficiency on the road, enabling you to unleash your full potential and dominate every run.

photochromic materials adapt to ultraviolet exposure levels