Survive the cold weather elements with the Nike Tech Wool Destroyer Jacket. This is more than your average letterman's jacket. It's made of breathable Tech Wool fabric, a water-repelling, extremely durable fabric that helps control your body temperature, TemermoreŽ fill for lightweight warmth and in the sleeves, diamond quilted nylon lining provides needed comfort. It's designed with a bonded zip pocket at the left chest for storing small items and ribbed mock-neck, cuffs and hem for a flattering shape. 70% wool/30% rayon. Imported.