A tire in which, by forming a central narrow groove, which is formed in a tread central portion and extends in a tire circumferential direction while having a zigzag shape, and two central circumferential grooves (16, 17), which are respectively formed at both tire width direction outer sides of the central narrow groove and extend in the tire circumferential direction and have widths that are wider than the central narrow groove, and a plurality of lateral grooves (19, 21), which communicate the central narrow groove with the central circumferential grooves (16, 17) and extend in a tire width direction and are spaced apart in the tire circumferential direction, two block land portion rows (24, 25) are sectioned and formed between the central narrow groove and the central circumferential grooves (16, 17) respectively, and each block land portion row (24, 25) is structured from numerous block land portions (22, 23) having tire circumferential direction side walls that are side walls (19a, 21a) of the lateral grooves (19, 21), wherein: a plurality of outer side cutouts (54, 55), which respectively correspond to the block land portions (22, 23) and extend toward tire width direction outer sides and end midway along outer side land portions (34, 36), are spaced apart in the tire circumferential direction in tire width direction inner-side side walls (38a, 39a), which are exposed to the central circumferential grooves (16, 17), of the outer side land portions (34, 36) that are provided further toward tire width direction outer sides than the two central circumferential grooves (16, 17) respectively, characterized in that at least portions of tire width direction inner side openings (54a, 55a) of the outer side cutouts (54, 55) are positioned between maximum position A, at which a tire width direction distance of a corresponding block land portion (22, 23) is a maximum, and an intermediate point B of two vertices (Pa, Pb) that are adjacent at a tire width direction outer-side side wall (22b, 23b) of the block land portion (22, 23), due to the central circumferential grooves (16, 17) being formed in zigzag shapes, the respective block land portions (22, 23) are hexagonal, and a tire width direction outer-side side wall (22b, 23b) of the block land portion (22, 23) is structured from one long side-wall portion (22c, 23c) and one short side-wall portion (22d, 23d) having a circumferential direction length that is shorter than the long side-wall portion (22c, 23c), and one (Pa) of the two vertices (Pa, Pb) is structured from a point of intersection of the long side-wall portion (22c, 23c) and the short side-wall portion (22d, 23d), and another of the two vertices (Pb) is structured from a point of intersection of the long side-wall portion (22c, 23c) and a tire circumferential direction side wall of the block land portion (22, 23), and the intermediate point B is positioned at the long side-wall portion (22c, 23c). a plurality of outer side cutouts (54, 55), which respectively correspond to the block land portions (22, 23) and extend toward tire width direction outer sides and end midway along outer side land portions (34, 36), are spaced apart in the tire circumferential direction in tire width direction inner-side side walls (38a, 39a), which are exposed to the central circumferential grooves (16, 17), of the outer side land portions (34, 36) that are provided further toward tire width direction outer sides than the two central circumferential grooves (16, 17) respectively, characterized in that at least portions of tire width direction inner side openings (54a, 55a) of the outer side cutouts (54, 55) are positioned between maximum position A, at which a tire width direction distance of a corresponding block land portion (22, 23) is a maximum, and an intermediate point B of two vertices (Pa, Pb) that are adjacent at a tire width direction outer-side side wall (22b, 23b) of the block land portion (22, 23), due to the central circumferential grooves (16, 17) being formed in zigzag shapes, the respective block land portions (22, 23) are hexagonal, and a tire width direction outer-side side wall (22b, 23b) of the block land portion (22, 23) is structured from one long side-wall portion (22c, 23c) and one short side-wall portion (22d, 23d) having a circumferential direction length that is shorter than the long side-wall portion (22c, 23c), and one (Pa) of the two vertices (Pa, Pb) is structured from a point of intersection of the long side-wall portion (22c, 23c) and the short side-wall portion (22d, 23d), and another of the two vertices (Pb) is structured from a point of intersection of the long side-wall portion (22c, 23c) and a tire circumferential direction side wall of the block land portion (22, 23), and the intermediate point B is positioned at the long side-wall portion (22c, 23c).