Source : Webster's Revised Unabridged Dictionary (1913)

Ooze leather \Ooze leather\
   Leather made from sheep and calf skins by mechanically
   forcing ooze through them; esp., such leather with a soft,
   finely granulated finish (called sometimes

   {velvet finish}) put on the flesh side for special purposes.
      Ordinary ooze leather is used for shoe uppers, in
      bookbinding, etc. Hence

   {Ooze calf},

   {Ooze finish}, etc.

Source : WordNet®

ooze leather
     n : a very soft leather made from the skins of calves and having
         a suede finish on the flesh side