One example of the invention describes a belt that is to be used by uniformed professional field personnel (e.g. law enforcement, fire, park department, search and rescue, private security, utilities personnel, military, etc.). Some examples of the invention introduce many new features which allow for improved access, comfort, reliability, ruggedness and cosmetics. In one embodiment, the description describes a metal rail on a belt, to which accessories attach. The other items of the inventions are the details of the buckle and its various designs. Other attachments and accessories, plus various setups and arrangements for the belts and buckles, are also presented here.