Calibrate your core to optimum efficiency with the FILA Core Callibration. Upper consists of a breathable diamond air mesh base with supportive leather overlays. Traditional lace-up closure provides a dialed-in fit. CoolMax Memory Foam cushioned insole. Padded tongue and collar increase comfort. IMEVA midsole for lightweight cushioning and shock absorption. Rubber traction outsole with rubber pods in high wear areas for added durability. Material: Leather.