The incredibly supportive and durable New Balance 857 cross training shoes are perfect for people that require some motion control for more efficient training. This classic look will never go out of style. Ideal for people that under pronate or have low arches to flat feet.Upper: Leather and mesh provides breathable comfort and support. Perforations enhance flexibility and airflow. A heel loop makes the shoes easier to pull onto feet. Padded tongue and heel collar enhances instep comfort. Lace-up front offers an adjustable fit.Midsole: ROLLBAR® with Medial and Lateral TPU posts offer ultimate control. N-ERGY® provides New Balance's most advanced shock absorption and cushioning. Removable perforated insole.Outsole: Non-marking outsole. Ndurance® provides maximum outsole durability.