But in fact, overalls were created not with the aim of a distinctive feature of a particular profession, but a little for other purposes. For example, overalls in which the welder should be located during his work should protect it from possible injuries and burns. For this, in addition to the clothes that protects the body, the welders have special helmets that prevent sparks in the eyes and on the face. And precisely because overalls should provide good protection for it for very large requirements.