Buff jerkin

from The Collaborative International Dictionary of English v.0.48

Buff \Buff\, a.
   1. Made of buff leather. --Goldsmith.
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   2. Of the color of buff.
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   {Buff coat}, a close, military outer garment, with short
      sleeves, and laced tightly over the chest, made of buffalo
      skin, or other thick and elastic material, worn by
      soldiers in the 17th century as a defensive covering.

   {Buff jerkin}, originally, a leather waistcoat; afterward,
      one of cloth of a buff color. [Obs.] --Nares.

   {Buff stick} (Mech.), a strip of wood covered with buff
      leather, used in polishing.
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