Send some more mittens (5)
I believe the answer is:
remit
'send' is the definition.
(I've seen this in another clue)
'some more mittens' is the wordplay.
'some' indicates the answer is hidden within the clue (some parts of the word are used).
'REMIT' is hidden in the letters of 'more mittens'.
(Other definitions for remit that I've seen before include "Area of responsibility" , "Scope of prescribed job" , "Scope of reference" , "Send < authorisation" , "Send - terms of reference" .)