This jacket offers exceptional versatility, combining a windproof and water-repellent smooth shell material with a warm, breathable lining. It excels as a mid-layer in winter mountain environments and as an outer layer for spring hikes and high-altitude summer activities, making it suitable for year-round use. Stretch material is used on the sides and cuffs to enhance mobility. It has a silhouette that fits the body moderately. Specifications 【Material】Shell: 40-denier full dull nylon taffeta [water-repellent finish] (Jacket sides/cuffs) 88% nylon + 12% polyurethane Lining: Climaplus Mesh [polyester (sweat-wicking)] 【Average Weight】248g 【Compressed Size】5.5 x 10 x 14.3cm 【Features】Stretch cuffs 【Features】Zipper does not touch the chin/3 zippered pockets (1 left chest, 2 waist) Material Features <Climaplus Mesh> This is a lightweight mesh material made from fine fiber tricot brushed fabric. It stores a lot of air between the fibers, achieving high heat retention despite its thinness. It also excels in moisture wicking and quick drying. In addition, it has antistatic properties, making it comfortable and less prone to static electricity even in dry seasons. Bias Stretch (Light Shell Series) To take advantage of the inherent properties of the fabric, which has high stretchability in the diagonal direction, the fibers are arranged diagonally (bias).