Panama hat

A Panama hat was a type of hat.

The First Doctor, (TV: The Chase, The Daleks' Master Plan) Fifth Doctor, (TV: Castrovalva) Seventh Doctor (TV: Time and the Rani) and Eleventh Doctor all possessed a kind of Panama hat, (COMIC: The Dalek Project) as did a parallel universe Doctor. (PROSE: Sustainable Energy) The Eleventh Doctor noted that "Panama hats are cool." (COMIC: The Dalek Project)