Pendleton Woolen Mills' product description-
A Pendleton classic, based on the CPO Shirt first introduced to the U.S. Navy in the 1930s. Constructed from pure virgin wool woven in our American mills, this hardy shirt jacket has a diamond quilted lining that's lightly filled for warmth. Two matched button-through chest pockets and two side-seam pockets. A wardrobe staple you'll enjoy for a lifetime.