This piece combines luxurious SUPER100's fine wool serge with a nylon taffeta liner, featuring 50d silk threads finer than hair. The material is well-dyed, offering water resistance and high insulation, suitable for cold weather. - Made of SUPER100's fine wool serge- Liner crafted from nylon taffeta- Utilizes delicate 50d silk threads- Features high dye quality and water resistance- Provides high insulation for warmth Main100% WoolParts100% Polyamide Made in Japan