INSULATE YOUR CORE WITH THE PATAGONIA BACK PASTURE FIELD JACKET. Ideal for regulating your temperature while out working or playing, the Patagonia Back Pasture Field Jacket is suited transitional weather. It is designed with recycled material and Thermolite insulate to maintain the perfect body temperature. Stay warm and snug this fall in this plush jacket. FEATURESDiamond quilted, 100% recycled polyester ripstop shell, 100% recycled polyester taffeta and insulated with 60-g THERMOLITE-