Okay so this is meant for males but females can wear it too because it kind of looks 'platformy' catch is these are created for males and they will look ridiculously big on a fem avi so grab some scalers and it'll look right.
use this for males: http://www.imvu.com/shop/product.php?products_id=13831026
use this for females: http://www.imvu.com/shop/product.php?products_id=13848769