Updated for Fall 2023, the Feedback Flannel is back as our best-selling casual wear button-up. Constructed with a bluesignA(R) 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 is the perfect shoulder season layer for quick weekend getaways, clocking in at the office, or linking with friends for happy hour. Product Details Updated for Fall 2023, the Feedback Flannel is back as our best-selling casual wear button-up.Constructed with a bluesignA(R) approved 100% polyester fabric, this flannel is wicking, breathable, and UPF 50+. Infinite Guarantee Outdoor ResearchA(R) gear is guaranteed to perform throughout the lifetime of the product. Specs: Product : #300513 Fabric: : bluesignA(R) approved 100% Polyester Weight: 15.3 oz/ 434 g Features: New Twill Fabric Design Lines/Pockets & Horn Buttons Two Button Flap Chest Pockets Pen Slot at Left Chest Pocket Shirt Tail Hem