Worn alone or layered, the Forest Herringbone Twill Shirt offers outstanding details in a substantial 7.4 oz Oregon Tweed® woven in our USA mill. 2 Snap-flap chest pockets. Snap front and cuffs. Lined back yoke. Shirttail hem. Dry clean, 75 percent virgin wool, 25 percent lambswool, imported of USA wool. Lining is polyester and cotton.