It has good air permeability and is known as the "breathable fabric". It is not sultry and has better air permeability than pure cotton fabric. It is an ideal close-fitting fabric and is beneficial to the physiological circulation and health of the human body. The basic chemical composition of regenerated cellulose fiber is the same as that of cotton fiber. Therefore, some of its properties are similar to cotton fiber. The difference is that its moisture absorption and air permeability are better than cotton fiber. The regenerated cellulose fiber fabric feels soft, smooth and cool, not easy to generate static electricity, has the softness of cotton, the luster of silk, the smoothness of hemp, is comfortable and close to the body, breathable and moisture-absorbing, and has good elasticity.