Thermo series is made of fabrics made using Thermolite and Lycra yarns. The outer skin is made of a blend of Nylon and Lycra, and the inner raised treatment is made of Thermolite. The outer skin is DWR-treated to make it waterproof for a certain period of time. It is a soft shell shape with a slightly thick feeling, and it has good elasticity, so it is suitable for outdoor activities. Thermolite yarn is characterized by the ability to maintain a certain body temperature even when wet. * Thermo Jacket Thermo Jacket is a product with an asymmetric zipper. This jacket provides a total of 3 pockets. A drawstring is applied at the waist. A hole for ventilation is reflected in the armpit. Fabric : Nylon 50%(70D) Polyester 40%(270D) (Thermolite) Lycra 10%(40D) Parts : YKK buckle, YKK Zippers Weight : g (M size) Made in Korea * Please check the size chart below for size.