What is the common fabric knowledge

Hemp: a kind of plant fiber, known as cool and noble fiber, good hygroscopic, fast heat dissipation, cool wearing, not sticking to the body after sweating. Silkworm silk: natural animal protein fiber, smooth, soft and rich, has good ductility and heat resistance. Acetate fiber: Natural material containing cellulose is made of chemical processing, has good elasticity and elastic recovery properties, poor fastness to washing.