The New Balance MX20 Training shoe features a lightweight synthetic/mesh upper that is durable and breathable. Padded collar and tongue provide added comfort. Molded logo on the side of the shoe. Lower profile offeers a better feel of the ground. Welded seams, a no-sew material application helps reduce weight and prevent chafing. Injection molded EVA midsole. Antimicrobial treatment helps to keep your shoes fresh for every use. Rubber outsole offers durability. Rubber insets give traction. Wt. 6.5 oz.