As the ages of the players increase, the competitiveness of the players increase and the physical demands on you will increase. Most of your training is done through lectures, demonstration and exercises on the basic rules at meetings. Collared striped shirt, one short sleeve and one long sleeve. A fitted black hat with white piping. Whistle with lanyard.
Sports watch with timer.
Sometimes you can obtain good used equipment from veteran officials to help defray the cost. Through the officials and the leagues, you should be aware of any cost involved prior to joining any organization. The state organizations require you to register with them and charge a fee which goes toward training and insurance. The state associations will usually provided rulebooks and other materials. There is a wide verity in game fees.