Unlike most synthetic insulated jackets

breathable

That’s exactly the reason wool has been the fabric of choice in the outdoors for centuries

holds its shape and lasts for years

this heavy-duty jac-shirt is built to stand up to the elements for years on end

filson woman women s field jac shirt fwosh0005ut2897 1092 TinClothCruiserJacket Unlike most synthetic insulated jacketsThis versatile overshirt provides an added layer of protection on cool days outdoors. Its patterned after our iconic Jac Shirt thats been a dependable staple since the 1970s. The midweight cotton fabric is a reverse sateen weave, smooth on the inside for easy layering. Sturdy buttons secure the front, pocket flaps, and duffs. Straight hem.