Why don't you try building an entire uniform to go along with it? Or at least other accessories, to make it more appealing to prospective buyers as an item in a set. 

Consider also that there is a 3-product limit in the MP here for new merchants, until your total sales have reached a certain amount. At least, that is how it used to be, unless they've changed the rules since last time I sold anything - which has been quite a while.