this should be in the anime and manga section. there is a ginormous thread on bleach there.
but just google hakama patterns (the one we used was from tokyopop i think) and get a pattern for a robe. the obi should be about three times your waist. use the search function and you'll get like a bazillion better answers haha.
What's this for? It's a wig.
What's it for? To disguise yourself from yourself.