LINED MACKINAW WOOL WORK VESTOur Lined Mackinaw Wool Work Vest combines our iconic durable and weather resistant wool with high pile Sherpa that mimics the heat trapping ability of sheeps fleece. You simply wont find a warmer, more versatile vest. The Lined Mackinaw Wool Work Vest is built with our warmest wool, the same thats provided protection from cold and wet conditions for over a century. Because our Mackinaw Wool is made with only the longest and strongest fibers,