Fabric: 45% Polyester 55% Nylon Lining: 100% Cotton. Do not wash in the washing machine. Dry clean only. The outer layer of the jackets is made of waterproof and breathable synthetic fabric. In addition, the outer layer has a water-repellent feature, that is, it allows the raindrops to slide over and flow away. The main function of this layer is to prevent rain and keep you dry even in heavy rain. Since the fabric of the product is a breathable fabric, it keeps you warm by expelling moisture and sweat caused by body temperature. Being waterproof and breathable is a great combination with comfort in terms of comfort.