Women's fleece-lined thermal underwear pants: wool, mulberry silk, warm, long, solid colour

These women's fleece-lined thermal underwear pants are designed as long trousers. The main fabric composition is 90%–95% polyester (polyester), with wool and mulberry silk in the inner layer. The fabric name is lamb wool, and it features warmth-retaining properties. The pattern is solid colour, and the thickened layer helps retain heat in cold weather.