Patagonia Men’s Insulated Fjord Flannel Jacket, size Large. This shacket-style layer is a favorite for shoulder-season warmth — heavier than a standard flannel with lightweight Thermogreen® insulation and a soft recycled poly lining, but not bulky. • 100% organic cotton flannel shell • Thermogreen® 100% recycled polyester insulation • Two chest button-flap pockets + side pockets • Full button-front placket, adjustable button cuffs • Solid olive green with tonal stripe detail • Style #27640, made in Vietnam