The New Balance Mens 870 D Width Running Shoe offers lightweight stability and responsive cushioning for your run. Upper: No-sew synthetic material with air mesh. Midsole: REVlite midsole offers responsive cushioning and durability with a 30% lighter weight than comparable foams. Abzorb cushioning increases shock absorption. Outsole: Blown rubber outsole provides lightweight flexibility. Color: Silver/Yellow For information on sizes, please refer to our shoe sizing chart.