TIRE

Atire 2 includes a tread 4 and a belt 14. The tread 4 includes a cap layer 38, an intermediate layer 40, and a base layer 42. The belt 14 includes an inner layer 34 and an outer layer 36. A plurality of circumferential main grooves 52 are formed on the tread 4, and at least three land portions 54 are formed in the tread 4 so as to be aligned in an axial direction. The at least three land portions 54 include a shoulder land portion 54s. The plurality of circumferential main grooves 52 include a shoulder circumferential main groove 52s. A circumferential narrow groove 50 is formed on the shoulder land portion 54s so as to continuously extend in a circumferential direction. A groove width of the circumferential narrow groove 50 is smaller than a groove width of the shoulder circumferential main groove 52s. The circumferential narrow groove 50 is located between the shoulder circumferential main groove 52s and an end 36e of the outer layer 36. The circumferential narrow groove 50 is tapered.