All of our shirts are unisex shirts. Men should select their typical size or go one size up for a baggier fit. Also for men that have a big chest or arms you should choose once size up from you typical size. Women should choose one size down from their typical size for a similar fitted style. For example if a women normally wears a large then she should choose a medium for a fitted style. For a baggier fit choose your typical women's size.