BUMPER STRUCTURE

PROBLEM TO BE SOLVED: To provide a bumper structure capable of properly absorbing a collision load even when vehicles having different vehicle heights collide with each other in a compact structure.SOLUTION: In a bumper structure 1 including: left and right front side frames 10 extending in a vehicle body longitudinal direction; a bumper beam 20 extending in a vehicle width direction in front of the front side frames 10 to be deformable toward a vehicle body rear by a load acting from a vehicle body front; and a pair of extensions 30 provided between the bumper beam 20 and the left and right front side frames 10, the extensions 30 have an upper wall 31 connected to an upper surface part 22 of the bumper beam 20, a lower wall 32 connected to a lower surface part 23 of the bumper beam 20, and a rear wall 33 connecting rear ends of the upper wall 31 and the lower wall 32 to each other, and connection parts Y1 to Y4 of the upper wall 31 and the lower wall 32 are provided at positions corresponding to a centroid Z of the bumper beam 20.