The Brooks Women’s Ravenna 10 features midsole cushioning with rebounding rubber, a unique shape of the Midfoot Transition Zone for quick transitions. Brooks shifted their focus beyond the feet to the most injury-prone part of a runner's body: the knees. GuideRails keep you moving comfortably by keeping excess movement in check. BioMoGo DNA midsole cushioning and rebounding rubber create a springy feel underfoot. The Midfoot Transition Zone is shaped to go from heel to toe quickly.