Mainly aesthetics and for other moons which require that outfit. They're really cool imo.I'm on the 3rd world now. I choose to go to the rain forest (or what ever it's called. I don't remember. I know I had to choose either an ice/water level or rain forest type level).
Do the clothes make a difference other than aesthetics? (Now that I think of it, I guess I can answer my own question because I remember in the Mexico level I had to pick up the mexican outfit to go into a room that was locked and had a moon in it. So maybe the outfits serve that purpose in other levels. Do they do anything else? Like give you different abilities?)
Edit: Hah, I just got one in Tostarena for wearing the Sombrero and Poncho.
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