Brooks PureFlow 7 Men's Running Shoes Grey/Black/Copper : Part of the Connect collection, the Brooks PureFlow 7 features a new construction for a refreshing update to the line. Free of distractions, the stretch-woven upper material and soft internal bootie design provide a more adaptive and more comfortable overall fit. Runners will continue to benefit from the flexible BioMoGo DNA midsole cushioning that provides lightweight responsiveness and a natural connectivity on the run. Upper: Stretch-woven upper material and soft internal bootie provides an unrestricted, comfortable feel. Lace-up front offers an adjustable fit. Midsole:BioMoGo DNA midsole provides adaptive cushioning. Removable insole. Outsole: Rounded heel creates better alignment, minimizing stress points.