A jacket with a simple design of a stand collar and zip front. It is also portable with packable specifications that can be stored compactly in the pocket of the chest. The hem and sleeves are rubber-piped to prevent intrusion of outside air. The very thin nylon typewriter is high-density woven, making it difficult to get wind through and very lightweight. In the same packable series, various items such as pullover jackets, vests, and pants are also available.