Colchuck Forester Jac-Shirt - Ash HeatherThis variation of our classic functional Jac shirt is made with from midweight 9. 3 oz. cotton double cloth. It performs like a light jacket with the cut of a shirt. The fabric is brushed on both sides like vintage camp blankets for comfort, in a weight that's ideal for milder temperatures. Reinforcements over the shoulders and forearms add durability and weather resistance. Snap close front, chest pockets, and adjustable cuffs. Side seam hand pockets.