Brooks PureFlow 3 - Men's Built on a full-length BioMoGo DNA midsole, the Brooks PureFlow 3 running shoe brings responsive cushioning and impact absorption to your road run. Omega Flex Grooves enhance flexibility for a natural running experience. Rounded IDEAL Heel ensures optimal energy return during foot transitions. Wide nav bands wrap over the foot for a secured fit. Wt. 8.4 oz.