To provide a runflat comfortable at riding at the time of normal status having internal pressure filled to improve durability at the time of being punctured.

On a side part of tire, protruding parts 12 having a carcass ply bulged annularly outside a tire rotation axial direction and recessed parts 13 are lined alternately to arrange to be a corrugated shape by a tire sectional view such that the protruding parts are positioned at upper and lower ends of the side part. An inner reinforced rubber pad 7 with crescent-shaped cross section is filled between the protruding part of the carcass ply and an inner liner 4. An outer reinforced rubber pad 8 with crescent-shaped cross section is filled between the recessed part 13 of the carcass ply and a side wall rubber 5.