Vintage Banana Republic Safari Military Field Utility Jacket A rugged lightweight jacket designed for layering through the seasons, our designers selected a heavy cotton twill that has been garment dyed, a special dye process that creates a color-washed look and extra soft feel. Shirt jacket styling and a rugged cotton twill. Unlined, perfect for layering. Spread collar with zipper button-front closure. Four front pockets with button closure. Shirttail hem with vented sides. Standard relaxed fit. Long sleeves. Hip length. 100% cotton. Machine washable. Imported.