The Mizuno Vintage G5 is a fast, lightweight shoe for the competitive baseball athlete. Lightweight mesh and synthetic upper for performance. Earth friendly materials. 9-Spike™ technology provides maximum lateral stability and traction. Wave® technology adds stability and cushioning. Proflex™ offers outsole flexibility that moves naturally with your foot. VS-1™ foam cushioning from toe to heel delivers shock absorption. Wt. 12.3 oz.