1, elasticity: high elasticity, high elasticity, high elasticity pants are very close-fitting; The elasticity of autumn trousers is moderate, but the elasticity of trousers is small, so it is inconvenient to put some clothes inside.

2. Fabric: High elastic fabric is made of high elastic yarn, which is a kind of yarn; Autumn trousers are pure cotton, cotton fiber is a porous substance, and the main component is cellulose, which has good air permeability.