About Filson Snohomish Reversible Jacket - Wool Closeout. Filson's Snohomish jacket is the perfect addition to your cold-weather rotation thanks to a reversible design and versatile style. One side boasts toasty virgin wool and the other a durable nylon-cotton fabric for all-day warmth and comfort. Founded in 1897 during the Great Klondike Gold Rush, Filson has spent more than a century making classic, rugged and extremely comfortable clothing for outdoor-loving individuals Reversible design with virgin wool on one side and a durable nylon and cotton fabric blend on the other Fixed drawcord hood Button front closure Button-through flap chest pockets on both sides Split kangaroo pockets on both sides.