Solid nylon wascha fabric with water repellent treatment that repels light water droplets 3M THINSULATE FILLING WITH WATER AND DURABILITY Ensures warmth in the change of season Strengthen warmth with TRIZAR lining with heat storage function applied with NASA's technology Hidden details of a three-dimensional pocket that can be stored in various ways inside the front layering details while maintaining the neatness of the exterior High-neck design, sleeve velcro detail, and application of windproof effect with hem tightening stopper Reinforcing fit with a three-dimensional pattern of sleeves and ELBOW TUCKS Hidden hood details can create a variety of styles.