### Clue: Dull specialist clothing (6)
### Answer: ANORAK 
 ### Explanation: Definition: Dull,specialist,clothing
 Double defn: 1st: A person whose specialty hobby is considered dull and boring; and 2nd: The hooded jacket invented by Eskimos (anoraq in their language), and then typically worn by trainspotters, thus leading to the 1st defn.