The new balance men 1400 mr was made just for heavy runners, this new design racing shoe will span distances from 5k to marathons. The sole fully touches the ground and offers protection on slick surfaces providing instant stability and sustain runners' need for full speed. This shoe will get your race to new level with its seamless, stitchless mesh upper that supply you with excellent breathability no matter how much your feet sweats. If you are a heavy runner, this shoe is highly recommended. If you want to read more on this and check out what users have to say. Check this out!!!