Patagonia Lightweight Insulated Fjord Flannel Shirt pairs soft brushed flannel with lightweight Thermogreen™ insulation for casual warmth and easy layering. Key attributes: Brown | Brushed flannel | Lightweight insulation | Warmth retention | Two chest pockets with buttoned flaps | Button-front placket | Adjustable cuffs | Rounded hem | Classic shirt silhouette | Dimensions & fit: Regular fit | Composition & care: 100% cotton (brushed flannel) | Insulation: Thermogreen™ 80 g/m², 100% polyester | Machine wash cold, gentle cycle. Tumble dry low or line dry. Cool iron if needed. Do not bleach.