A tire which includes a carcass ply and a band ply for reinforcing the carcass ply, the carcass ply having an inner ply and an outer ply which are provided in a radial direction, the inner ply being wound from an inside toward an outside in the axial direction of a bead core to constitute a fold-back portion and the outer ply being provided to cover the inner ply. A width (JW) of the band ply is set to be 80% to 98% of a tread width (TW) and an overlap dimension (LW) of the fold-back portion and the band ply is set to be 15% to 35% of the width (JW) of the band ply.