100% cotton. Flannel fabric. Full press stud fastening. Two chest pockets with press stud flaps. Press stud cuffs. Curved hem. Regular fit. Filson’s Western Flannel Shirt is a potent blend of the cowboy-approved stylings of the western shirt and lumberjack-friendly flannel fabric. Perfect for those weekends when you’re felling great oaks in the day and entertaining vast crowds at the rodeo in the evening.