It's all in the clothes and hair. His body gestures and all kind of sealed the deal, but I didn't think there was a doubt that he was male. Besides, Genomes are genderless to begin with, but Kuja and Zidane were made special so they don't count...which kind of makes this sentecne pointless. Anyways, there are many reasons that would hint him to be feminine but all in all he's male.