From race day to fast training sessions and everyday use, the Saucony Endorphin Speed is many peoples goto tempo trainer, and with an updated upper and improved outsole, the 5th version is set to continue its popularity. The Saucony Endorphin Speed 5 in BlackWhite provides the perfect blend of propulsion and cushioning by using a semirigid, winged nylon plate through the midsole, giving you a snappy feel with a softer, more comfortable feel than some race shoes. The wings help add a touch of stability, and responsive, PEBA based PWRRUN PB foam cushions your stride with lightweight bounce.The outsole has been optimised with extra coverage in the heel for improved durability through your fastest strides. It also features a fulllength groove to enhance your natural gait and provide a smoother transition from landing to launch.The improved upper uses a lightweight mesh designed to be breathable and comfortable on your fastest days, and to look great in daily wear. Weight 237gStack height 36 28mmHeel offset 8mmSemirigid nylon plateSpeedroll technologyPWRRUN PB