Thick, warm and reversible: It's a flannel lover's dream come true. We placed pesticide·free organic cotton flannel on one side and quilted nylon taffeta on the other, with low·bulk Thermolite'\' insulation in between. The shirt opens with a two·way front zip, has adjustable cuffs and plenty of pockets. Wear it alone or layered. Imported. M's Insulated Flannel Shirt