Uses 750 fill power down with a large loft. It can be stored in the side pockets, making it convenient to carry. [Material] Made with recycled nylon material that has a matte appearance, giving it a texture that can be worn without being too casual. Conductive yarn is used in the lining to prevent static electricity by preventing the buildup of electricity. Uses 750 fill power down with a large loft, providing a light yet warm feel. [Design] The seam lines on the back are designed to create a beautiful silhouette when worn. This vest-type down is easy to wear as an outer or inner layer. [Specifications] Fabric Thickness: Thin Fit: Slim Lining: Yes Outer: 100% Nylon, Lining: 100% Nylon, Filling: 90% Down, 10% Feather, Piping: 93% Nylon, 7% Polyurethane *Worn for about a month. After wearing, it was washed, folded, and stored. *Please note that the packaging will be compressed and compactly packaged for simple shipping.