Most militaries, especially the United States Armed Forces and their auxiliaries (e.g. ROTC and JROTC components) require use of a physical training (PT) uniform during unit exercise (including formation runs, calisthenics, and conditioning exercises).
All items worn by military personnel conducting PT as a group are subject to uniformity, at commander discretions, however, some U.S. military units produce unique T-shirts with their unit insignia and motto, and for special events, this shirt is part of the uniform.
Occasionally, exercise will also be conducted in that branch's utility uniforms, normally with the blouse removed and the undershirt exposed (also known as "boots and utes" [citation needed] ).
[5] The Air Force Physical Training Gear (AFPTG) consists of: A retirement period for the IPTU is currently taking place until 2026, after 20 years of use.
[7] The Space Force PTU consists of: The Coast Guard PTUs consist of: In many parts of the world outside of use in militaries, physical training uniforms are primarily used in schools, law enforcement academies, and in some cases, scouting, firefighter training and prison systems.