Durable Carhartt Mens Black Washed Duck Vest. The Sherpa lining is within this men's black vest, and the outer shell consists of 100% ringspun cotton washed duck. This cotton duck offers natural water resistance, and the 12-ounce design is a great option when a hefty work coat would be too much bulk and heat.  12-Ounce, 100% Ringspun cotton washed duck Sherpa lining for warmth Map pocket on left chest with zipper closure Two inside pockets Carhartt Mens Washed Duck Sherpa Lined Mock Vest | Black