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.Features:- High performance/everyday- More Rebound- 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.Specifications:- Category: Everyday Training/ Speed Training- Foam: PWRRUN PB- Design: Winged Nylon Plate- Weight: 8.2oz (233g)