Brixton Trademark Zip Flannel Jacket Flannel feel, jacket function. The Trademark Zip Flannel Jacket is a fleecy, flannel-look layer with the structure of an overshirt. Built with a polyester-rayon blend that holds the soft hand of a favorite plaid, it's finished with a two-way metal zipper, welt pockets and a woven Trademark label at the left chest. Easy to throw on, harder to take off. Two Way Metal Zipper Welt Pockets Left Chest Trademark Woven Label Fit: Relaxed Fit Material: 80% Polyester 10% Acrylic 10% Viscose