Provided is a catheter having a distal end portion of a shaft with high breaking strength even if a wall thickness thereof is small. A catheter 1 of the present invention includes an elongated tube shaped shaft 2. The shaft 2 has an inner layer 10 having a lumen 11 along a length direction, an outer layer 12 covering an outer peripheral side of the inner layer 10, and a reinforcement body 13 disposed on the outer peripheral side of the inner layer 10. The outer layer 12 has a distal outer layer 20 of a distal end portion of the shaft 2, an intermediate outer layer 21 more proximal than the distal outer layer 20, and a base outer layer 22 more proximal than the intermediate outer layer 21. The intermediate outer layer 21 is more flexible and thicker than the base outer layer 22, and a distal end of the reinforcement body 13 is located more proximal than a distal end of the intermediate outer layer 21.
