With the passage of time, the types of men's trousers are also colorful. The main popular pants now are jeans, trousers and casual pants. Pant fabrics are cotton, hemp, polyester, polyester cotton, nylon and so on. The main component of cotton is cellulose. Cellulose is a natural polymer compound, which is pure natural and healthy. In addition, it also contains a small amount of nutrients such as wax, protein, fat and water-soluble substances.