Zakkuri Flannel 908 Duffer ShirtWith diagonal toggles, stitched pockets, and a wide, sailor inspired collar, this duffer shirt carries the easy, seaside spirit of a sailors duffle coat. Flannel We Continue to Make, and Hope to Preserve. Woven slowly on traditional Indian machines passed down through generations, this flannel has a rustic, raised texture and a light, gentle feel. Its a fabric that can no longer be produced in Japan todayone we treasure deeply and are committed to