This L-2 flight jacket has double-yarn nylon with a water-repellent coating and a unique rayon/cotton blend fabric interior, thick, silky feel, and some warmth, similar to the original. The zippers are vintage CONMAR zippers from IDEAL. The main zipper and the sleeve zipper are copper oxide. The collar and cuff are from a wool blend(70% wool/ 30% acrylic), and the cuffs are tubular and have are no-seam rib-knit cuff.