From the CONNECT ME collection, Brooks PureFlow 5 running shoes feature a hyper-flexible experience that better connects you to the run. It’s the first model to use the DNA LT midsole for 10% lighter cushioning that remains adaptable. You’ll benefit form a natural range of motion that still provides protection from impact.Upper: No Sew overlays with 3D Fit Print provides optimal comfort. Wrap-around collar in the heel lends an ultra-plush feel. Lace-up front offers an adjustable fit. Midsole: DNA LT midsole provides adaptive cushioning with less weight. Removable insole.Outsole: Rounded heel creates better alignment, minimizing stress points.Sizing Note: Due to the materials used in the Pure Project line, it is recommended that customers size up by at least a half size bigger than their normal shoe size for optimal fit.