With warmth and comfort at the forefront of its design, the Jetty Hull Jacket is perfect for colder climate pursuits both on and off the water. The Hull Jacket features a super soft polar fleece liner bonded to a mid-weight durable flannel exterior. Exterior: 100% Cotton Flannel (260 GSM)Interior: 100% Polyester Fleece (150 GSM)Custom Metal Engraved Snaps Large double chest pockets with Otis Pillar flaps Scallop side-seams Custom labeling at neck, inner-placket, and chest pocket.