This take on the XPA style beefs up the body (of the beer that is, not you), and uses just a single hop throughout. If you’re going for one you might as well make it a good one, so choose Citra. It hasn’t been hopped it to oblivion, instead allowing for the addition of crystal malt to express and balance the assertive bitterness. Of course it's been dry hopped generously, so there’s plenty of aroma there too!