A pigskin and mesh upper delivers durable ventilation for the 990v4 running shoe from New Balance, while a blown rubber outsole provides flexible, cushy traction.Item # 52370012mm dropBlown rubber outsoleCushioned footbedDual Density foam-padded collarENCAP Polyurethane ring with EVA coreENCAP®EVALace entryMesh textile liningPigskin and mesh upperStyle Number: M990NV4