an Entity references as follows:
The Cavalry Stetson is a cavalry traditional headgear within the United States Army, typical worn by cavalrymen in the late 1860s, named after its creator John B. Stetson. In the modern U.S. Army, the Stetson was revived as an unofficial headgear for the sake of esprit de corps in the cavalry. Because they are not authorized by AR 670-1, the regulation for wear and appearance of the uniform, wear and use of the Stetson and associated spurs is regulated by a unit commander. What follows is one example of a cavalry squadron's policy on the wear of Stetsons: