The Brooks Women's Ravenna 10 Running Shoes are energizing, supportive, springy and fast. Featuring one-piece mesh uppers & internal booties offer maximum breathability and the perfect saddle structure around your midfoot and arch for a secure fit, Midfoot Transition Zone for quick heel to toe transitions and BioMoGo DNA midsole cushioning & rebounding rubber creates a springy feel under your feet. An amazing new technology has been added called GuideRails Holistic Support System that shifts the focus from the feet to the knees to keep you moving comfortably. You will love getting out and hitting the concrete jungle or trails with the Women's Ravenna 10 Running Shoes by Brooks.