Saucony Endorphin Speed 4 Running Shoes

Smooth SPEEDROLL technology is effortless speed and immersive forward movement you can count on daily. Energy-efficient PWRRUN PB technology features superfoam cushioning that snaps back. The improved design has a zonal engineered mesh and integrated tongue for a secure, connected fit. Enter our new SRS (Super Responsive Sockliner). We challenge you not to bounce. REDESIGNED PLATE - Vertical reinforcement to add torsional stiffness while maintaining flexibility through the forefoot.