Usually it includes:
-special cheer shoes -Spanks-Body suit(short top that goes under)-Cheer uniform(over the body suit)-bow or hair tie-ankle sockshope it helps:)
I would wear something comfortable :) i would say school colors for ex: my school colors are red and white. Maybe a t-shirt or tank top but remember not short because if you are tumbling it might...
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You usually want to wear shorts and at-shirt/tank. You also want to wear proper cheer shoes. NEVER WEAR JEWELRY
Because it is part of the tradition and one of the colors on the flag also because it is said that the lepricans wear green and had red hair.