Updated for Fall 2023, the Feedback Flannel is back as our best-selling casual wear button-up. Constructed with a bluesign approved 100% polyester fabric, this flannel is wicking, breathable, and UPF 50 . It features two button flap chest pockets, a pen slot at the left chest pocket, and a shirttail hem. The Feedback Flannel Twill Shirt is the perfect shoulder season layer for quick weekend getaways, clocking in at the office, or linking with friends for happy hour.