Howler Bros Harkers Flannel in Backdrop Plaid: Phantom Blue. Size Medium. Excellent preowned condition, no flaws to note. Very soft flannel. Pit to pit measures 22.5”, Length 28.5”. 60% cotton, 40% polyester. One of our best sellers, the Harker's Flannel brings buttery soft warmth to the Howler table. We kept it simple enough to be a staple in your closet but added a little Howler vibe with a single button-through flap pocket on the left chest, reinforced elbow patches, custom metal buttons and a hunter's yoke on the right shoulder.