A wearable assistive device may include a main frame, a leg assembly that extends downward from an end of the main frame, and a foot assembly that is installed at an end of the leg assembly. The leg assembly may include a leg frame having an upper end connected to the main frame and a lower end connected to the foot assembly and a leg belt that is mounted on the leg frame. The leg belt may include a belt that secures to a leg of the user, and a frame in which the belt is stored in a retractable and withdrawable manner while moving in a zigzag pattern inside the frame.
