PNEUMATIC TIRE

A pneumatic tire simultaneously achieving both enhanced on-ice performance and enhanced durability. A pneumatic tire, wherein sipes (6) extending in the width direction of the tire are arranged at intervals in the circumferential direction of the tire at least in shoulder blocks (5a) divided by longitudinal grooves (2) extending in the circumferential direction of the tire and by lateral grooves (3) extending in the width direction of the tire. Open sipes (6a) and closed sipes (6b) are alternately arranged, and the depth of the open sipes (6a) is less than the depth of the closed sipes (6b).