WWE, the largest professional wrestling promotion both nationally and internationally, had a reserved championship exclusively for wrestlers under the "Cruiserweight" category until 2022.
Even if weight classes are used, they are usually not enforced due to the scripted nature of professional wrestling.
Throughout the years, practically all of such championships have been retired due to the wrestling promotion closing down or losing interest.
No other professional wrestling promotions have made such an extensive use of weight classes as some located in Mexico.
As a result, most of the top professional wrestling stars in Mexico are lighter than those in many American promotions.
Organisations of this nature may also have a smaller roster of professional wrestlers to be able to separate weight divisions and therefore, all athletes must sign a contractual disclaimer in order to compete.