PCB is a little different from Boston my friend. I don't think you even have to wear a shirt in the clubs in PCB. What you wear all depends on the weather. It's hard to predict in March. I've been there when it's been in the 70's at night, and I've been there when it was 30's. Most guys wear t-shirts and shorts or jeans, unless you want to impress the ladies, then you wear your clubbin' gear of course. You kinda have to pack for anything. Usually it's 70's during the day, but it gets down into the 50's at night. The digital camera and funnel are definitely essential though. Also a good pair of shades and your favorite can coolie. Remember those and you're all set.