A tire comprising a tread portion, wherein the tread portion includes a plurality of circumferential grooves extending in a zigzag manner in a tire circumferential direction so as to form zigzag peak portions, a plurality of lateral grooves connecting the zigzag peak portions of the circumferential grooves adjacent to each other in a tire axial direction, and a plurality of hexagonal blocks formed by the plurality of circumferential grooves and the plurality of lateral grooves, the circumferential grooves include a pair of shoulder circumferential grooves disposed closer to tread ends (Te), and at least one crown circumferential groove disposed inward in the tire axial direction of the pair of shoulder circumferential grooves each of the hexagonal blocks is provided with a sipe extending in the tire axial direction, and a wide groove portion connected to an inner side in a tire radial direction of the sipe and extending in the tire axial direction with a width (Wt) larger than that of the sipe, wherein the at least one crown circumferential groove includes a pair of crown circumferential grooves provided on both sides of a tire equator, respectively, the plurality of lateral grooves include a plurality of crown lateral grooves connecting the crown circumferential grooves, and a plurality of middle lateral grooves connecting the crown circumferential grooves and the shoulder circumferential grooves, the plurality of hexagonal blocks include a plurality of middle blocks each delimited by the crown circumferential groove, the shoulder circumferential groove, and the middle lateral grooves adjacent to each other in the tire circumferential direction, an inner end in the tire axial direction of the wide groove portion of each middle block overlaps an intersection portion of the crown lateral groove and the crown circumferential groove in the tire circumferential direction, characterized in that a groove width of the crown circumferential groove is smaller than groove widths of the pair of shoulder circumferential grooves, and the transverse cross-sectional area of the wide groove portion of each middle block is 10% to 40% of a transverse cross-sectional area of the crown lateral groove. the tread portion includes a plurality of circumferential grooves extending in a zigzag manner in a tire circumferential direction so as to form zigzag peak portions, a plurality of lateral grooves connecting the zigzag peak portions of the circumferential grooves adjacent to each other in a tire axial direction, and a plurality of hexagonal blocks formed by the plurality of circumferential grooves and the plurality of lateral grooves, the circumferential grooves include a pair of shoulder circumferential grooves disposed closer to tread ends (Te), and at least one crown circumferential groove disposed inward in the tire axial direction of the pair of shoulder circumferential grooves each of the hexagonal blocks is provided with a sipe extending in the tire axial direction, and a wide groove portion connected to an inner side in a tire radial direction of the sipe and extending in the tire axial direction with a width (Wt) larger than that of the sipe, wherein the at least one crown circumferential groove includes a pair of crown circumferential grooves provided on both sides of a tire equator, respectively, the plurality of lateral grooves include a plurality of crown lateral grooves connecting the crown circumferential grooves, and a plurality of middle lateral grooves connecting the crown circumferential grooves and the shoulder circumferential grooves, the plurality of hexagonal blocks include a plurality of middle blocks each delimited by the crown circumferential groove, the shoulder circumferential groove, and the middle lateral grooves adjacent to each other in the tire circumferential direction, an inner end in the tire axial direction of the wide groove portion of each middle block overlaps an intersection portion of the crown lateral groove and the crown circumferential groove in the tire circumferential direction, characterized in that a groove width of the crown circumferential groove is smaller than groove widths of the pair of shoulder circumferential grooves, and the transverse cross-sectional area of the wide groove portion of each middle block is 10% to 40% of a transverse cross-sectional area of the crown lateral groove.