Western hat
I believe the answer is:
stetson
'western hat' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for stetson that I've seen before include "capital item" , "A wide-brimmed cowboy hat" , "Hat for country-and-western singers, Texan oil magnates, etc." , "Man's hat with wide brim and high crown" , "Hat, for Texan oil magnate, say" .)