It's not very heavy. Silk cotton trousers are high-grade fillers with light texture. It doesn't need to be very thick, and it's not too cold in winter now. Silk cotton trousers are light and thin, which has a very warm effect. Silk cotton is a kind of cotton fabric made of 100% mulberry silk, which is called "silk cotton". Silk cotton is made of 100% mulberry silk, and the correct full name should be "silk cotton".