Wedgie Volleyball Spandex SPANDEX??? Uh...?

SPANDEX??? uh...? - wedgie volleyball spandex

Who the hell had the idea, spandex for volleyball? I understand why cyclists cycling shorts, but why, as more volleyball players? I've heard people talk about how much more comfortable than regular shorts, but do not understand how a piece of fabric in the butt every time you play you can be reassured. Ah, the song Sunday ...