A tyre comprising: a tread portion having a designated mounting direction to a vehicle, the tread portion comprising a first tread edge and a second tread edge to be located outwardly and inwardly of a vehicle, respectively, when being mounted to the vehicle, two or more main grooves extending continuously in a tyre circumferential direction between the first tread edge and the second tread edge, and two or more land portions divided by the main grooves, wherein the main grooves comprise a first shoulder main groove disposed between the first tread edge and a tyre equator, a second shoulder main groove disposed between the second tread edge and the tyre equator, and a crown main groove disposed between the first shoulder main groove and the second shoulder main groove, the land portions comprise a first middle land portion defined between the first shoulder main groove and the crown main groove, and a second middle land portion defined between the second shoulder main groove and the crown main groove, the second middle land portion is provided with two or more second middle lateral grooves traversing the second middle land portion completely in the tyre axial direction, and at least one of the second middle lateral grooves comprises a raised portion in which a groove bottom thereof is raised, the raised portion of the at least one of the second middle lateral grooves traversing a center location in the tyre axial direction of the second middle land portion, characterized in that the first middle land portion is provided with two or more first middle lateral grooves traversing the first middle land portion completely in a tyre axial direction, at least one of the first middle lateral grooves comprises a raised portion in which a groove bottom thereof is raised, the raised portion of the at least one of the first middle lateral grooves traversing a center location in the tyre axial direction of the first middle land portion, and a length in the tyre axial direction of the raised portion of the at least one of the first middle lateral grooves is greater than a length in the tyre axial direction of the raised portion of the at least one of the second middle lateral grooves. a tread portion having a designated mounting direction to a vehicle, the tread portion comprising a first tread edge and a second tread edge to be located outwardly and inwardly of a vehicle, respectively, when being mounted to the vehicle, two or more main grooves extending continuously in a tyre circumferential direction between the first tread edge and the second tread edge, and two or more land portions divided by the main grooves, wherein the main grooves comprise a first shoulder main groove disposed between the first tread edge and a tyre equator, a second shoulder main groove disposed between the second tread edge and the tyre equator, and a crown main groove disposed between the first shoulder main groove and the second shoulder main groove, the land portions comprise a first middle land portion defined between the first shoulder main groove and the crown main groove, and a second middle land portion defined between the second shoulder main groove and the crown main groove, the second middle land portion is provided with two or more second middle lateral grooves traversing the second middle land portion completely in the tyre axial direction, and at least one of the second middle lateral grooves comprises a raised portion in which a groove bottom thereof is raised, the raised portion of the at least one of the second middle lateral grooves traversing a center location in the tyre axial direction of the second middle land portion, characterized in that the first middle land portion is provided with two or more first middle lateral grooves traversing the first middle land portion completely in a tyre axial direction, at least one of the first middle lateral grooves comprises a raised portion in which a groove bottom thereof is raised, the raised portion of the at least one of the first middle lateral grooves traversing a center location in the tyre axial direction of the first middle land portion, and a length in the tyre axial direction of the raised portion of the at least one of the first middle lateral grooves is greater than a length in the tyre axial direction of the raised portion of the at least one of the second middle lateral grooves.