M Endorphin Speed 4

We're all seeking relationships that go the distance. The Endorphin Speed 4 running shoe is here to fill the role. Designed as a race-day shoe, it's quickly proven itself much more , equally capable during long, moderate training sessions and sprints to the finish. Thanks to the "just right" combination of winged nylon-plate, SPEEDROLL technology and PWRRUN PB foam, this cushioned running shoe provides the perfect balance of support, rebound and forgiveness. Highlights Smooth SPEEDROLL technology for effortless speed, smooth turnover and propulsive forward motion. PWRRUN PB foam is a true unicorn, offering the best combination of cushioning and energy return of any foam on the market. Re-engineered winged nylon plate provides reinforcement while maintaining flexibility. Description courtesy of Saucony Show more