PNEUMATIC TIRE AND MOLD FOR MOLDING TIRE

A pneumatic tire (10) includes a tread (20) including a block (30) in which at least one sipe (40) is formed. A plurality of recesses (41) are formed in one wall surface (40A, 40B) of each of the at least one sipe (40). The recesses (41) change in volume toward at least one of a tire radial direction and a tire axial direction in the block (30).