This The Mentalist screencap contains
boater, leghorn, panama, panama sumbrero, mandaragat, espumadera, and dayami sumbrero.
There might also be
Fedora, nadama sumbrero, Homburg, Stetson, and trilby.
The Mentalist 6x10 "Green Thumb" - The FBI reluctantly enlists Jane's help to find a missing computer programmer, but he won't help unless Lisbon is brought on board as well, on THE MENTALIST, Sunday, December 8th on CBS.