Disclosed is a head band to assist a user in conveniently wearing head protective equipment on the head. The head band includes a first band part configured to surround the circumference of the head. The first band part includes first sections located at opposite lateral regions of the head and each provided with a coupling piece for coupling with the welding mask, a second section located on a front region of the head, the second section taking the form of an arc-shaped section having a predetermined radius of curvature when unrolled and being adapted to come into close contact at a predetermined gradient with the forehead, and third sections located at a rear region of the head, the third sections being connectable to each other to enable adjustment in the length of the third sections. The first band part comfortably comes into close contact with the forehead, providing wearer comfort.