Area standard The area standard, MIU, has evolved for the native field.Optimal size for mountain streams, main streams and lakes, and carefully selected colors for native fields can accommodate changes in water temperature and color throughout the season.The well-established swimming layer keeping power traces the aim reliably in both upcross and downcross , and the sensitive blade expresses rod work with exquisite action.Inheriting outstanding cast and feel and ease of handling, MIU expands the field of activity.