Headgear made from skins in Florence, Desenzano and Ravenna (6)

I believe the answer is:

fedora

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'headgear' is the definition.
(fedora is a kind of headgear)

I cannot understand how the rest of the clue works.

(Other definitions for fedora that I've seen before include "Read of (anag) - brimmed felt hat" , "O, Fred, a hat becomes you" , "Felt hat dented lengthways" , "Headwear" , "Felt hat with a creased crown" .)

I've seen this clue in The Irish Times.

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