Don’t Let The Classic Flannel Looks Fool You—the Seawool Flannel Packs A Punch In The Performance Department. Built From Seawool Fabric, A Midweight Brushed Twill Made From Upcycled Oyster Shells And Recycled Plastic Bottles, These Flannels Deliver Many Of The Same Benefits As Our Powered-by-bamboo Styles: They’re Temp-regulating, Quick-dry, Anti-odor, And Oh-so-soft. Bonus Points: All Those Recycled Plastic Bottles Never Get The Chance To End Up In Our Oceans. Adventure-ready, Sustainable, And Timeless Good Looks? Sign Us Up.