The Collaborative International Dictionary of English v.0.48:

Unstockinged \Un*stock"inged\, a.
   1. [Pref. un- not + stocking.] Destitute of stockings. --Sir
      W. Scott.
      [1913 Webster]

   2. [1st pref. un- + stocking.] Deprived of stockings.
      [1913 Webster]