Flannel Shirt Old Navy J. Crew Shirts Jcrew Flannel Brown Plaid Poshmark The Grand Flannel, Brown Heavyweight Cotton Flannel Shirt for Men Loose Fit Cropped Flannel Shirt Brown checked Men H&M PH. A laid back essential reimagined with elevated edge. The J Cut Brown Flannel T Shirt features a short sleeve silhouette cut from soft brown plaid flannel, with a boxy fit that channels off duty cool. Finished with a spread collar, button front, and a single chest pocketthis piece blends classic workwear cues with quiet precision.