The main Pony Club website is a great source of information about what to wear at rallies: Dress and Tack | The Pony Club (pcuk.org)
Latest body protector regulations:
body-protector-rule-2020.pdf (pcuk.org
Latest hat regulations:
All hats should be tagged with the turquoise PC hat tag to show that it has been checked by a branch official and that it meets the PC required standards. If you are new to the PC or you get a new hat, please ask your instructor or one of the DCs to check and tag your hat at a rally.