if sky casino, yes.
the old casino, think is ok too.
the rules has been relaxed in recent years.

however for international room & vip room of course smart casual is still required, no shorts. gold and platinum lagi tak payah cerita, no self-respecting high rolling gamblers would dress shabbily.

I wasnt talking about branded clothing. One can even be smartly dressed with chappalang-branded clothings.

Ah pek wear singlet koyak but pocket got big wads of cash? This only happens in town where he lives. When he travels out of town he would still put on a decent looking ironed, buttoned up clean shirt.