New Balance men's shoes were made of very high quality leather. The top has rounded and cut elements that give it an original look. N-Durance rubber plastic placed under the sole in the heel increases resistance during strikes on the surface. The N-Ergy outer sole provides perfect cushioning. Specification: - GORE-TEX® - Leather upper - Lace-up closure for a secure fit - Stability Web outsole technology provides additional arch support Technologies: N-Durance – rubber material located on the sole under the heel, ensures resistance during heel strikes. Stability Web - helps the instep and perfectly controls the rotation of the foot during walking. N–Ergy – our latest and most advanced technology cushioning system with an ultra-light dynamic cushion. Now your effort and energy put into running comes back to you and does not remain on the surface. New Balance M2002RXK