Saucony Endorphin Speed 5 1003 - Triple Black 41

Designed as an up-tempo shoe, it has quickly proven itself as much more, just as powerful in long, moderate training sessions and sprints to the finish. Energy efficient PWRRUN PB foam bounces back with every step, combined with a winged nylon plate that provides torsional stiffness while maintaining forefoot flexibility Speedroll technology for effortless speed and addictive forward movements you can rely on every day Increased amount of rubber coverage in the heel that extends further to the edges for added durability Full length longitudinal groove for increased flexibility for a more natural and smooth transition in your gate cycle