Contrary to myth, not all Panama hats are suitable for rolling The ideal for rolling is the Montecristi Original Panama Hats because of its weave which allows it to be easily packed for travelling - the finer the weave, the suppler and flexible the hat.
The purpose of rolling a Montecristi Original hat should always be for the convenience of travel only and your hat should not be kept permanently stored rolled up.
See the Panama Hat rolling explanation here at the video.
First, hold the hat in front of you with the crown running from the left to right. Then, push out the crown and roll it.