General workout shorts (boxing shorts with ties) and a rashgaurd should be all you need. Look at my Must Have List for MMA Gear
thread to see what you should be getting a hold of.
It doesn't matter if you agree or disagree
... As long as I don't bore you and I spark a moment of thought, my goal is achieved
Queng leon queng tigre ecu tacacut, queca pa? - Pampangan Mandarigma Motto