It in turn has many branches, each of which is considered a social science. The main social sciences include economics, political science, human geography, demography, psychology and sociology.
Teams in Test cricket, first-class cricket and club cricket wear traditional white uniforms and use red cricket balls. Cricket is a multi-faceted sport with multiple formats that can effectively be divided into first-class cricket, limited overs cricket and, historically, single wicket cricket.
Some umpires wear a variant of the uniform: some umpires in ASA wear heather gray slacks and may also wear a navy blue shirt; umpires from the USSSA wear red shirts with grey slacks; National Softball Association (NSA) umpires wear an official NSA white-colored umpire shirt with black pants or black shorts; NSA fastpitch umpires wear the white NSA umpires shirt and heather gray slacks.