 | Mens prAna Riverbend Flannel Shirt - Pewter. Versatile lightweight flannel in 100% organic cotton with a soft, brushed finish. The Riverbend Flannel Shirt is a lightweight button-up built for easy layering and year-round wear. It’s made with lightweight organic cotton with a soft, brushed finish, and features a self-lined interior yoke. Available exclusively online, this shirting essential comes in classic solids and original buffalo plaid prints. | Mens prAna Riverbend Flannel Shirt in Gray, Size Large... - Mens prAna Riverbend Flannel Shirt - Pewter. |