Light diffusing reflectors enhance visibility in low light conditions.

The Endorphin Pro 4 running shoe is a miraculous feat of engineering: snappy and responsive yet smooth and efficient. Something we achieved by fusing PWRRUN PB and PWRRUN HG together in the midsole an industry first. A full carbon plate adds longitudinal stiffness and maximum metabolic efficiency. And the silky-smooth heel liner and integrated tongue system makes this marathon shoe feel like slipping on an old friend come race day.

• Carbon plate is engineered for longitudinal stiffness and maximum metabolic efficiency.
• Snappy SPEEDROLL technology effortless speed and propulsive forward motion.
• Race-ready fit - Silky smooth heel liner and integrated tongue for a connected comfort.

provides a stable and balanced running experience