Saucony Triumph 23 - Womens Size:10.5 (US) The Endorphin Speed 5 is

The Endorphin Speed 5 is built to go fast and feel smooth—whether you're pushing the pace on track night with friends or you're chasing a PR

Built with FuelCell foam to deliver propulsion and speed with minimal weight and maximum traction

floors climbed and more from your wrist1

Donned by the fastest 5K and 10K runners in the sport

Support = Stability

Saucony Triumph 23 - Womens Size:10.5 (US) The Endorphin Speed 5 isThe Triumph 23 is designed for those who want to run longer. The softer, lighter PWRRUN PB midsolenow with more cushioningdelivers a responsive ride that can power you through. It's paired with a premium, super responsive sockliner (SRS) and an updated outsole, giving you smooth, flexible transitions mile after mile. Whether its a slow long run or jumping in a weekend 5K, this shoe will stretch your comfort zone with every step.