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.