Now available in Black Cotton Ventile® fabric - a naturally water repellent, durable fabric used in pilot suits during WW2. Developed as a necessity at the time, this fabric increased the survival rate of RAF pilots facing the toughest, most dangerous conditions by up to 80%. Now, the SF Expedition Parka incorporates Ventile® to protect from the freezing snows of the arctic. This fabric is long lasting & completely weatherproof.