http://www.youtube.com/watch?v=bmGyoFHEwdQ&feature=PlayList&p=D3F1890D8A072021&playnext=1&playnext_from=PL&index=31
Not sure. The boy sure can move, though.
Much like this lady here.
Yum
Here is a similar pair of pants. Here; is a blue denim take on it.