Stetsons and sombreros (4)
I believe the answer is:
hats
'stetsons and sombreros' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for hats that I've seen before include "Headdresses" , "Headgear" , "Milliner's stock" , "Headwear" , ""Porkpie" and "pillbox" attire" .)