Furnace JacketThe furnace jacket is the warmest casual jacket youll own. This heavy weight jacket has a dual layer construction, with an ultra soft sherpa fleece lining and a hardy, polyester overlay on the shoulder and chest. Its got two lower hand warming pockets to keep your digits toasty, and a high zip collar to shield you from the freezing southerly. 485gms fleece with fluffy lining Water resistant, windbreak shoulder and chest overlay Two generous lower