When you need that extra layer out in the field, this warm, sherpa-lined vest is the one to keep handy.. 12-ounce, 100% ring spun cotton washed duck. Sherpa-lined body for warmth. Left chest pocket with zipper closure. Two interior pockets. Two large, sherpa-lined handwarming front pockets. Drop tail hem for added coverage. Carhartt-strong, triple-stitched main seams for added durability. Carhartt label sewn on left pocket. Loose fit