This V-neck jacket combines a durable lightweight nylon shell with innovative Teijin OCTA fleece lining for superior warmth-to-weight performance. The outer shell features water-repellent and antibacterial treatments to resist moisture and odors, while the unique dual-structure fleece interior provides exceptional insulation without bulk. Designed with ergonomic sleeve construction and a streamlined no-collar silhouette, this jacket offers unrestricted movement for both daily wear and outdoor activities.