You can do anything. And, in the New Balance 624 cross-trainer, you can do everything. With increased flexibility and cushioning, the possibilities - and comfort - are endless. In its fifth iteration, the popular 624 men's cross trainer continues to stand out with features designed to help you access your inner champion. The flexible leather upper is crafted to stand up to your most intense training routine, and today's advanced technology enhances every feature of this training shoe to provide exceptional performance in a sleek new silhouette.An internal shank, ABZORB cushioning and QUIX outsole technology help you push your limits and own your excellence. Wide 4E fit Leather upper ABZORB cushioning in the heel and forefoot for optimal shock absorption EVA (Ethyl Vinyl Acetate) foam footbed for cushioning IMEVA (injection-molded EVA foam) midsole for firm yet flexible cushioning Internal shank Non-marking rubber outsole for durability and grip 52 durometer insert/midsole EVA footbed/heel pocket Internal shankNEW BALANCE ORIGINNew Balance Athletics, Inc., best known as simply New Balance, is an American multinational corporation based in the Boston, Massachusetts area. The company was founded in 1906 as the "New Balance Arch Support Company" and is one of the world's major sports footwear and apparel manufacturers.