PATAGONIA INSULATED ORGANIC COTTON MIDWEIGHT FJORD FLANNEL SHIRT - MEN'SAn insulated, heavyweight 100% organic cotton flannel jacket that makes a great overshirt when temperatures drop. Fair Trade Certified sewn.FEATURESShell is made with 100% organic cotton yarn-dyed flannel, lined with 100% recycled polyester plain weave and insulated with 60-g Thermogreen polyester (90% recycled)Full-length button-front placket provides easy adjustability to accommodate changing conditionsTwo flapped chest pockets secure with buttons; side-entry handwarmer pockets on lower torso shelter your hands from cold weatherMade with a straight hem to go with most every situation, from casual hangout to commuting to work or schoolTECH SPECS680 g (24 oz)Shell: 5.9-oz 100% organic cotton yarn-dyed flannelLining: 2.4-oz 100% recycled polyester plain weaveInsulation: 60-g Thermogreen(R) 100% polyester (90% recycled)Fair Trade Certified(TM) sewn