The Quilted Flannel Shirt Jacket is a rugged flannel with the wind-stopping warmth of an insulated jacket. Relwen took inspiration from classic, burly shirt jackets—cutting down on the bulk with a lightweight, quilted ripstop lining. But the real ingenuity lies in Relwen’s single-piece construction: sewing the layers together to create a streamlined shield against the cold. Plus, it's filled with dense 80g down-alternative insulation for better heat retention.