A completely new sensation for runners who want to make their lives easier. For those who want to give their body a break, the women's running shoe Saucony Endorphin Shift adopts a new approach to make running easier, more relaxed, removing stress and enjoying the process. Let the good times roll. PWRRUN+ technology offers comfortable cushioning, more flexibility, durability, and elasticity in a foam that is 28% lighter. The "Speedroll" is a geometric technique that always leads forward, creating a rolling sensation underfoot with energy return. It is a brand-new, practical, effortless approach that makes it feel like the shoe is doing the work for you.