Saucony Endorphin Speed 4

Textile

PWRRUN PB (PEBA): It is a high-performance cushioning material used in running shoes. It is made from a patented blend of PEBA (Polyether Block Amide) polymers, which are known for their lightweight and responsive properties. This bead foam is designed to provide exceptional energy return with over 88% energy efficiency, making it ideal for racing and high intensity training. PWRRUN PB is also significantly lighter than traditional EVA foams and maintains its performance over a wide range of temperatures. This innovative material helps runners achieve greater speed and comfort while running.

Speedroll: It features a unique geometric midsole design that creates a rolling effect and helps runners propel themselves forward with every step. This design promotes a more efficient running form and can increase speed and power.