TAION's classic inner down vest- features a light, warm and easy-to-wear design that can be worn as a layer under jackets and coats, as well as on top of T-shirts, shirts and hoodies. TAION is an inner down wear brand that originated from Japan. They have developed high-quality, high-performance inner down vests that can maintain 'Taion' which means 'body temperature' in Japanese. The inner is constructed from Down (feather) using the feathers of mature waterfowl. (90% down, 10% feathers) Feathers are light and have good resilience. The outer material uses super water-repellent high-density nylon fabric, which is not only water-repellent but also stain-resistant. In addition, an AC coating is applied to the back surface of the outer material to minimize feather blowout. Outer fabric: 100% nylon taffeta. Lining: 100% polyester. Insulation:90% down 10% feather. YKK Planter front button closure Zipper. Pockets on both sides. Comes with a storage bag to be stored compactly and is convenient to carry Great for going out or travelling