Brooks best energy return served light and bold for an energized running experience. The BioMogo DNA and DNA AMP cushioning work together to provide a light, responsive ride that gives more energy back to you. A flexible arrow pattern on the outsole helps you move from heel to toe quickly without losing energy. Comfort goes into stealth mode inside the sleek simplicity of the Fit Knit upper. A hidden heel wrap and sueded heel tab prevent irritation.