A headgear that is suitable for fitting a respiratory mask system to the head of the user, and that can be easily produced and, while minimizing any leakage of positive pressure gas at pressurization, realizes good wearing sensation. There is provided a headgear used in contact with the face of the user to fix a respiratory mask for supplying the user with a respiratory positive pressure gas to the head of the user, characterized in that the headgear has a head fitting part adapted to be fitted to the back of the head of the user and strap (3) linked to the head fitting part, and that the head fitting part has at least one band (1) of closed curve, and that the band of closed curve thereon has at least one junction part (2), and that by the at least one junction part, the band of closed curve assumes a nonplanar structure adapted to the configuration of the head of the user.
