The Saucony Fastwitch Speed 2 racing flat provides the runner with an added advantage from tempo training to a 5K to the marathon. Air mesh upper offers lightweight breathability. Supportive overlays wrap the foot to add snug, supportive fit. Dri-Lex® lining wicks moisture and is quick drying. I-Grid™ System molded pillars provide heel cushioning. Wt. 7.6 oz.