The New Balance 577 is a durable and cushioned toning shoe designed for the moderate-paced walker. Leather upper provides natural comfort, durability and breathability. Reflective detail. Polyurethane midsole offers supportive and durable comfort. ABZORB� in the heel adds exceptional shock absorption. Solid rubber outsole is long-wearing and durable. Walking Strike Path� stabilizes the foot through the walking gait cycle. Wt. 13.8 oz.